CN201899899U - Soxhlet extractor capable of easily recycling solvent and sampling - Google Patents
Soxhlet extractor capable of easily recycling solvent and sampling Download PDFInfo
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- CN201899899U CN201899899U CN2010206685870U CN201020668587U CN201899899U CN 201899899 U CN201899899 U CN 201899899U CN 2010206685870 U CN2010206685870 U CN 2010206685870U CN 201020668587 U CN201020668587 U CN 201020668587U CN 201899899 U CN201899899 U CN 201899899U
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Abstract
The utility model discloses a Soxhlet extractor capable of easily recycling a solvent and sampling, which comprises an extractor, a steam guide pipe, a siphon pipe and a glass filter sheet. The steam guide pipe and the siphon pipe are arranged on the extractor, and the glass filter sheet is arranged in the extractor; the upper port of the extractor is provided with a connector connected with a condenser, and the lower port of the extractor is provided with a connector connected with a flask; and the bottom of the extractor is provided with a solvent recycling and sampling pipe, and the solvent recycling and sampling pipe is communicated with the extractor. By adopting the glass filter sheet, sample residues can be prevented from siphoned into the flat-bottomed flask in case of sample leakage, and the operational accuracy can be improved. Moreover, the Soxhlet extractor realizes batch collection of samples in extraction and easy and rapid recovery of the solvent in sample concentration after extraction, meets demands for accurate analysis of sample extraction in laboratories and industrial production, and reduces potential hazards to indoor environments of the laboratories and operators caused by volatilization of hazardous solvents in sample concentration and solvent recovery.
Description
Technical field
The utility model relates to a kind of apparatus,Soxhlet's, particularly a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling.
Background technology
Apparatus,Soxhlet's claims liposuction device or Soxhlet's apparatus again, is widely used in the extracting of fat in the sample.Apparatus,Soxhlet's mainly is made up of extraction flask, extraction tube, condenser three parts, and the extraction tube both sides have siphon pipe and tube connector respectively, and the each several part junction will guarantee that sealing is good.When the fat in the sample is extracted, generally testing sample is wrapped in the fat-free filter paper bag, put into extraction tube after bandaging.Add extractant in the extraction flask, the heating extraction flask makes the extractant gasification, and being risen by tube connector enters condenser, and the solvent liquid that congeals into splashes in the extraction tube, comes lipid material in the lixiviate sample with this.When the extractant liquid level reach a certain height in the pipe to be extracted, the solvent that is dissolved with crude fat flowed into extraction flask through siphon pipe.The solvent that flows in the extraction flask continues to be heated gasification, rising, condensation, splashes in the extraction tube, so moves in circles, till the lipid material extracting in sample fully.
At present, existing many patents improve the Soxhlet extraction element of classics.Patent CN 85201170U improves on the basis of original Soxhlet extractor, has set up a sampling arm that communicates with siphon pipe inside at 1/3rd places, siphon pipe bottom, is convenient to carry out in extractive process the detection and the analysis of extraction process.Patent 200920211087.1 has been invented a kind of Soxhlet extractor that has the metal sintering cartridge filter, and this device has that the rate of filtration is fast, long service life, advantage such as be convenient to clean, weighing is accurate.Patent 200920047077.9 has designed water-saving device of Soxhlet fat extraction apparatus, reaches the purpose of conserve water resource when making it guarantee the extractor operate as normal.Patent 200920223630.X has designed bilayer sleeve heat collecting type apparatus,Soxhlet's, and the heat that this device can make full use of in the solvent evaporation process to be produced keeps the solvent steady temperature, improves extraction efficiency, energy efficient; Guaranteed that simultaneously solvent refluxing carries out with a kind of speed stably, realized the easy of operation.Patent 200920289104.3 has been invented efficient Soxhlet extraction element, and it can prevent solvent vapo(u)r condensation in steam lead, effectively keeps the internal layer temperature, helps improving extraction efficiency; Because this device has increased siphonal height, the time of staying of solvent in fluid reservoir prolonged, improved extraction efficiency.But above-mentioned patent is all less than after finishing at soxhlet extraction, concentrating of fatty solvent done device with the solvent recovery aspect improves, cause when sample concentration and solvent recovery, complex operation, the volatilization of hot solvent causes potential hazard to laboratory environment and operating personnel.
The utility model content
The purpose of this utility model is to improve the shortcoming of prior art and product, and provide a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling, this extractor can directly extract sample, the glass filter disc that is provided with in the extractor can prevent that revealing the residue that causes because of sample enters boiling flask through the siphon pipe backflow, causes weighing error; Can solve simultaneously easy the to be quick recovery of gathering in batches and extracting solvent when finishing the back sample concentration of sample in the extraction process, make the Soxhlet leaching process more simple and efficient, reduce in sample concentration, the solvent recovery process and volatilize to testing the potential hazard that indoor environment and experiment operator cause because of harmful solvent.
For achieving the above object, the utility model provides a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling, described apparatus,Soxhlet's comprises extractor, steam lead, siphon pipe and glass filter disc, described steam lead and siphon pipe are arranged on the extractor, and described glass filter disc is arranged in the extractor; Described extractor upper port is provided with the interface that is connected with condenser, and its lower port is provided with the interface that is connected with flask; The bottom of described extractor is provided with the solvent recovery sampling pipe, and this solvent recovery sampling pipe is connected with described extractor.
Further, the position of described glass filter disc in extractor is higher than the nozzle position that solvent recovery sampling pipe and siphon pipe are connected with the extractor bottom, and the aperture of described glass filter disc is 1-100 μ m.
Further, the interface that is connected with condenser that described extractor upper port is provided with is a ground, and the interface that is connected with flask that its lower port was provided with is a ground.
Further, described solvent recovery sampling pipe is parallel with the nozzle position that the extractor bottom is connected with described siphon pipe with the nozzle position that the extractor bottom is connected, and the pore internal diameter of described solvent recovery sampling pipe is 2-6mm.
Further, described solvent recovery sampling pipe is provided with ground glass stopper or rubber case pipe clamp.
Further, the knee on described siphon pipe top is lower than the steam lead upper orifice lower edge that described steam lead links to each other with the extractor upper end.
Operation principle of the present utility model is as follows: directly be placed on after the sample of accurate weighing is bandaged with fat-free filter paper and cotton thread on the glass filter disc in the extractor, set interface and the condenser in extractor upper end in the apparatus,Soxhlet's is tightly connected, the set interface in extractor lower end is tightly connected with the ground boiling flask that the certain volume solvent is housed, close and good seal solvent recovery sampling pipe on set ground glass stopper, connect circulating condensing water, heated water bath, begin extraction, till the lipid material extracting in sample fully.In extraction process, can be according to the actual analysis demand from solvent recovery sampling pipe collected specimens in batches.After treating the last siphon fully of the solvent injection boiling flask in the extractor, unload condenser, take out the filter paper bag that sample is housed, reconnect condenser, begin to contain the concentrated recovery of lipid sample solvent.Solvent splashes into extractor after heating, evaporation, condensation, when treating that the solvent liquid level height near the knee on siphon pipe top siphon does not take place, open the solvent recovery sampling pipe, reclaim solvent fast, complete until solvent recovery, lipid extracts is concentrated, and finishes extraction and concentration process.
The utility model is compared with existing product, has following actively useful effect:
(1) the glass filter disc that is provided with in the extractor can prevent that revealing the residue that causes because of sample enters boiling flask through the siphon pipe backflow, causes weighing error, can improve the extracting operation precision.
(2) the solvent recovery sampling pipe that is provided with of the extractor bottom collection in batches that can solve sample in the extraction process, the number of times of sampling can be consistent with siphon lixiviate number of times, thereby satisfy the actual demand of in laboratory and the industrial production sample being carried out the extraction process Accurate Analysis.
The reclaimer operation of solvent was more easy fast when (3) the solvent recovery sampling pipe that is provided with of extractor bottom can make extraction finish the back sample concentration, can effectively reduce in sample concentration, the solvent recovery process because of a large amount of volatilizations of harmful solvent to testing the potential hazard that indoor environment and experiment operator cause.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present utility model.
Embodiment 1:
As shown in Figure 1, a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling comprises extractor 1, steam lead 2, siphon pipe 3 and glass filter disc 4, described steam lead 2 and siphon pipe 3 are arranged on the extractor, glass filter disc 4 is arranged in the extractor 1, and the aperture of described glass filter disc 4 is 1-100 μ m; Extractor 1 upper port is provided with the interface 11 that is connected with condenser, and this interface 11 is a ground; Extractor 1 lower port is provided with the interface 12 that is connected with flask, and this interface 12 is all ground; The bottom of extractor 1 is provided with solvent recovery sampling pipe 5, and this solvent recovery sampling pipe 5 is connected with extractor 1, and solvent recovery sampling pipe 5 is provided with ground glass stopper 6, and the pore internal diameter of solvent recovery sampling pipe 5 is 2-6mm.
Solvent recovery sampling pipe 5 is parallel with the mouth of pipe 31 positions that extractor 1 bottom is connected with described siphon pipe 3 with the mouth of pipe 51 positions that extractor 1 bottom is connected, simultaneously the position of described glass filter disc 4 extractor 1 in is higher than the mouth of pipe 51,31 positions that solvent recovery sampling pipe 5 and siphon pipe 3 are connected with extractor 1 bottom, and the knee on siphon pipe 3 tops is lower than described steam lead 2 with continuous steam lead upper orifice 21 lower edges in extractor 1 upper end.
Application example, the extraction of fat in the soy meal: accurately take by weighing through pulverizing, oven dry contain fat soy meal sample 2.000g, directly be placed on after bandaging with fat-free filter paper and cotton thread on the glass filter disc 4 in the extractor 1, the interface 11 that 1 upper end of extractor in the apparatus,Soxhlet's is set is tightly connected with condenser 7, the set interface 12 in extractor 1 lower end is tightly connected with the ground boiling flask 8 that 150mL benzinum (60-90 ℃ of boiling) is housed, close and seal ground glass stopper set on the solvent recovery sampling pipe 56, connect circulating condensing water, heated water bath temperature to 70 ℃, begin extraction, till the lipid material extracting in sample fully (filter paper point sample diffusion experiment does not have yellow).In extraction process, can be used for analyzing and testing from solvent recovery sampling pipe 5 collected specimens in batches according to the actual requirements.After treating the last siphon fully of the benzinum injection boiling flask 8 in the extractor 1, unload condenser 7, drain unrecovered oil ether on the filter paper bag fast, take out, reconnect condenser 7, begin to concentrate the petroleum ether solution that contains soybean oil.Benzinum is after heating, evaporation, condensation, splash into extractor 1, when treating that the benzinum liquid level near the knee on siphon pipe 3 tops siphon does not take place, open ground glass stopper set on the solvent recovery sampling pipe 56 rapidly, reclaim benzinum, shut ground glass stopper 6 after finishing, continuation is reclaimed benzinum after heating, evaporation, condensation, complete until solvent recovery, soybean grease is concentrated, and finishes extraction and concentration process.The final benzinum 145mL that reclaims, recovery rate of extraction solvent is 96.7%; Do not improve extractor and can only reclaim benzinum 124mL, recovery rate of extraction solvent is 82.7%, and the utility model can be saved solvent and reach 14%.
Embodiment 2:
As shown in Figure 2, the difference of present embodiment and embodiment 1 is: described solvent recovery sampling pipe 5 is provided with rubber case pipe clamp 9, realizes closing and seal solvent recovery sampling pipe 5 by this rubber case pipe clamp 9.
In sum, embodiment described in the utility model only provides a kind of embodiment of the best, technology contents of the present utility model and technical characterstic disclose as above, yet the personage who is familiar with this technology still may be based on content that the utility model disclosed and done various replacement and the modifications that do not deviate from creation spirit of the present invention; Therefore, protection domain of the present utility model is not limited to the technology contents that embodiment discloses, so all equivalences of doing according to shape of the present utility model, structure and principle change, all is encompassed in the protection domain of the present utility model.
Claims (6)
1. apparatus,Soxhlet's that has both easy recovery solvent and sampling, it is characterized in that: described apparatus,Soxhlet's comprises extractor, steam lead, siphon pipe and glass filter disc, described steam lead and siphon pipe are arranged on the extractor, and described glass filter disc is arranged in the extractor; Described extractor upper port is provided with the interface that is connected with condenser, and its lower port is provided with the interface that is connected with flask; The bottom of described extractor is provided with the solvent recovery sampling pipe, and this solvent recovery sampling pipe is connected with described extractor.
2. a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling according to claim 1, it is characterized in that: the position of described glass filter disc in extractor is higher than the nozzle position that solvent recovery sampling pipe and siphon pipe are connected with the extractor bottom, and the aperture of described glass filter disc is 1-100 μ m.
3. a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling according to claim 1, it is characterized in that: the interface that is connected with condenser that described extractor upper port is provided with is a ground, and the interface that is connected with flask that its lower port was provided with is a ground.
4. according to claim 1,2 or 3 described a kind of apparatus,Soxhlet'ses that have both easy recovery solvent and sampling, it is characterized in that: described solvent recovery sampling pipe is parallel with the nozzle position that the extractor bottom is connected with described siphon pipe with the nozzle position that the extractor bottom is connected, and the pore internal diameter of described solvent recovery sampling pipe is 2-6mm.
5. a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling according to claim 4, it is characterized in that: described solvent recovery sampling pipe is provided with ground glass stopper or rubber case pipe clamp.
6. a kind of apparatus,Soxhlet's that has both easy recovery solvent and sampling according to claim 5 is characterized in that: the knee on described siphon pipe top is lower than the steam lead upper orifice lower edge that described steam lead links to each other with the extractor upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206685870U CN201899899U (en) | 2010-12-20 | 2010-12-20 | Soxhlet extractor capable of easily recycling solvent and sampling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206685870U CN201899899U (en) | 2010-12-20 | 2010-12-20 | Soxhlet extractor capable of easily recycling solvent and sampling |
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| CN201899899U true CN201899899U (en) | 2011-07-20 |
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| CN2010206685870U Expired - Fee Related CN201899899U (en) | 2010-12-20 | 2010-12-20 | Soxhlet extractor capable of easily recycling solvent and sampling |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631953A (en) * | 2012-04-05 | 2012-08-15 | 神华集团有限责任公司 | Device and method for separating catalyst from Fischer-Tropsch wax |
| CN102721768A (en) * | 2012-05-23 | 2012-10-10 | 云南烟草科学研究院 | Sample pre-processing device and sample processing method for determining nitrosamine in cigarette flue gas |
| CN104368168A (en) * | 2013-08-15 | 2015-02-25 | 中国石油天然气股份有限公司 | Method for multimode extraction of soluble substances in solid and distillation recovery and storage of solvent, and apparatus thereof |
| CN105115848A (en) * | 2015-07-20 | 2015-12-02 | 山东科技大学 | Reflux type oil sand oil content and moisture synchronous determination system and determination method |
| CN105709862A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Method for removing oil dirt on surfaces of solid particles and recycling solvents |
| CN108169060A (en) * | 2018-02-20 | 2018-06-15 | 盐城工业职业技术学院 | Natural color-cotton fiber non-fiber component content high speed tester device |
| CN110006774A (en) * | 2018-01-04 | 2019-07-12 | 中电电气(上海)太阳能科技有限公司 | A kind of cross linking degree tester of recyclable dimethylbenzene and its application |
| CN110025968A (en) * | 2018-01-12 | 2019-07-19 | 湖北民族学院 | A kind of Rotary Evaporators of vacuum auto extractive continuous feed |
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2010
- 2010-12-20 CN CN2010206685870U patent/CN201899899U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631953A (en) * | 2012-04-05 | 2012-08-15 | 神华集团有限责任公司 | Device and method for separating catalyst from Fischer-Tropsch wax |
| CN102631953B (en) * | 2012-04-05 | 2014-12-31 | 神华集团有限责任公司 | Device and method for separating catalyst from Fischer-Tropsch wax |
| CN102721768A (en) * | 2012-05-23 | 2012-10-10 | 云南烟草科学研究院 | Sample pre-processing device and sample processing method for determining nitrosamine in cigarette flue gas |
| CN104368168A (en) * | 2013-08-15 | 2015-02-25 | 中国石油天然气股份有限公司 | Method for multimode extraction of soluble substances in solid and distillation recovery and storage of solvent, and apparatus thereof |
| CN104368168B (en) * | 2013-08-15 | 2016-08-10 | 中国石油天然气股份有限公司 | In solid, soluble substance multimode is extracted and solvent Distillation recovery deposit method and device |
| CN105709862A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Method for removing oil dirt on surfaces of solid particles and recycling solvents |
| CN105115848A (en) * | 2015-07-20 | 2015-12-02 | 山东科技大学 | Reflux type oil sand oil content and moisture synchronous determination system and determination method |
| CN110006774A (en) * | 2018-01-04 | 2019-07-12 | 中电电气(上海)太阳能科技有限公司 | A kind of cross linking degree tester of recyclable dimethylbenzene and its application |
| CN110025968A (en) * | 2018-01-12 | 2019-07-19 | 湖北民族学院 | A kind of Rotary Evaporators of vacuum auto extractive continuous feed |
| CN110025968B (en) * | 2018-01-12 | 2021-08-27 | 湖北民族大学 | Rotary evaporator for vacuum automatic extraction continuous feeding |
| CN108169060A (en) * | 2018-02-20 | 2018-06-15 | 盐城工业职业技术学院 | Natural color-cotton fiber non-fiber component content high speed tester device |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20131220 |