CN102527078B - Back spray prevention device for extraction tank and an extraction tank - Google Patents
Back spray prevention device for extraction tank and an extraction tank Download PDFInfo
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- CN102527078B CN102527078B CN201010608659.7A CN201010608659A CN102527078B CN 102527078 B CN102527078 B CN 102527078B CN 201010608659 A CN201010608659 A CN 201010608659A CN 102527078 B CN102527078 B CN 102527078B
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- abstraction pool
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Abstract
The invention discloses a back spray prevention device for an extraction tank and an extraction tank, wherein the back spray prevention device comprises a slow-release cover, the slow-release cover is matched with the inside of the extraction tank, and the middle of the slow-release cover is provided with a liquid inlet hole. The extraction tank is equipped with the above back spray prevention device. The invention can effectively prevent the samples from spraying out.
Description
Technical field
The present invention relates to full-automatic solvent extraction instrument fast in analysis Instrument equipment, be specifically related to abstraction pool in full-automatic solvent extraction instrument fast.
Background technology
Full-automatic solvent extraction instrument is fast full-automatic formula design, 24 samples of auto extractive continuously, and its relevant technological document is as U.S. Pat 5785856A.It is full-automatic that solvent extraction instrument sample processing throughput is large fast, extraction efficiency is high, relate to the numerous areas such as environmental analysis, agricultural product security, food science, pharmacy, natural product extraction, analysis of explosion, petrochemical industry, the energy, be applicable to the analytical instrument sample pretreatments such as existing gas-chromatography, liquid chromatogram, application of gas chromatorgraphy/mass.
Fast solvent extraction technology is the sample-pretreating method of the development in recent years one of getting up rapid extraction solid or semi-solid sample under high temperature (room temperature～200 ℃), high pressure (atmospheric pressure～20MPa) condition, compared with the methods such as conventional Soxhlet extraction, ultrasonic extraction, microwave-assisted extraction technique, can greatly shorten extraction time, improve extraction efficiency, reduce extractant consumption, significantly reduced the extraction expense of single sample, have the solvent of saving, fast, health environment-friendly, automaticity advantages of higher.
In the time utilizing full-automatic quick solvent extraction instrument to extract, will be specifically related to these parts of abstraction pool.As shown in Figure 6, abstraction pool 100 mainly comprises five parts such as columniform pond body 101, nut cap 102, the first filter 103, the second filter 104 and feed liquor sealing column 105.The in-built tested sample of columniform pond body 101, covers the first filter 103, the second filter 104 sample surfaces from pond body 101 two ends, then seals by nut cap 102 and feed liquor sealing column 105.
After above-mentioned abstraction pool extracts on full-automatic solvent extraction instrument fast, body 101 sealings in pond can be opened automatically, because whole extraction process carries out under high temperature, high pressure, so the in the situation that of having a small amount of residual solvent in abstraction pool 100, it will gasify rapidly in the situation that losing pressure, and take up sample and raise out abstraction pool, pollute instrument internal.
Summary of the invention
The present invention is directed to existing abstraction pool and in use occur that sample raises out abstraction pool, pollute the problem of instrument, and a kind of abstraction pool counter-jetting resistance device is provided, this device is placed in abstraction pool, in the time that body sealing in pond is opened automatically, effectively stops sample to be raised out.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of abstraction pool counter-jetting resistance device, this counter-jetting resistance device comprises a slowly-releasing lid, and described slowly-releasing lid and abstraction pool inside match, and the centre of described slowly-releasing lid offers an inlet opening.
In preferred embodiment of the present invention, the inlet opening that described slowly-releasing covers is a screwed hole.
Further, described counter-jetting resistance device also comprises an extraction rod, matches with the inlet opening that described slowly-releasing covers in one end of described extraction rod.
Further, described slowly-releasing lid adopts polytetrafluoroethylmaterial material to make.
Further, the front of described slowly-releasing lid offers a cannelure.
Further again, the degree of depth of described cannelure is that 5mm, width are that the thickness of 19mm, outer wall is 0.4mm.
Another object of the present invention is to provide a kind of abstraction pool of counter-jetting resistance, and its technical scheme is as follows:
A kind of abstraction pool, it mainly comprises pond body, described abstraction pool also comprises above-mentioned counter-jetting resistance device.
Further, on the outer wall of described pond body, be provided with an anti-roll band along pond body.
The counter-jetting resistance device obtaining according to technique scheme can, in the time that body sealing in pond is opened, be alleviated inner quick decompression, thereby effectively stop sample to be raised out.
The present invention, in improving effect of extracting, can also save a large amount of organic solvents, reduces extraction cost.If take the naphthalene in polycyclic aromatic hydrocarbon as example, when having used this counter-jetting resistance device abstraction pool extraction pedotheque only to need 15 mL n-hexanes just can reach 98.77% rate of recovery, the relative standard deviation 2.59% of 6 experiments, and do not use this counter-jetting resistance device abstraction pool extraction same sample, need 50mL n-hexane just can reach the identical rate of recovery.Therefore, this device has been saved a large amount of organic solvents, effectively reduces extraction cost.
In the present invention, slowly-releasing lid material adopts polytetrafluoroethylene (PTFE) material to make, have high temperature resistant, anticorrosive, easy to clean, can Reusability etc. feature.
The present invention covers the cannelure of setting at slowly-releasing, make its outer wall have certain elastic force effect, thereby increases the frictional force of slowly-releasing lid and pond body inwall, effectively prevents that slowly-releasing cover from ejecting pond body.
Moreover the present invention also disposes an extraction rod, by this extraction rod and easily slowly-releasing lid is extracted to Chi Tihe and put into pond body.
The abstraction pool of counter-jetting resistance provided by the invention can effectively prevent that sample from raising out, and the anti-roll band arranging on the outer wall of pond body, effectively stops the random rolling of pond body, the easy to use and damage that prevents from dropping.
Accompanying drawing explanation
Further illustrate the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of slowly-releasing lid in the present invention.
Fig. 2 extracts excellent structural representation in the present invention.
Fig. 3 is the slowly-releasing lid use schematic diagram excellent with extraction in the present invention.
Fig. 4 is the structural representation of abstraction pool in the present invention.
Fig. 5 uses view in the present invention.
Fig. 6 is the structural representation of existing abstraction pool.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, abstraction pool counter-jetting resistance device provided by the invention mainly comprises a slowly-releasing lid 200, and the shape of this slowly-releasing lid 200 and abstraction pool inside match, because abstraction pool is cylindric, so the slowly-releasing lid 200 in this example is circular.
Offer an inlet opening 201 in the centre of slowly-releasing lid 200.This inlet opening (its size range please be described).
Referring to Fig. 2, in order to improve the operability of slowly-releasing lid 200, in counter-jetting resistance device, be also provided with one for extracting and settle the extraction rod 300 of slowly-releasing lid 100.
Match with inlet opening 201 on slowly-releasing lid 200 in one end 301 of this extraction rod 300, so that by extracting rod 300 and the coordinating of inlet opening 201, and extraction and the arrangement (as shown in Figure 3) of realization to slowly-releasing lid 200.
Further, in this example, inlet opening 201 is designed to a screwed hole, the one end of extracting rod 300 is provided with to corresponding external screw thread simultaneously.Like this by extracting being spirally connected of rod 300 and slowly-releasing lid 200, extraction and the arrangement of very convenient realization to slowly-releasing lid 200.
For further improving effect of the present invention, in this example, offer a cannelure 202 in the front of slowly-releasing lid 100, by this groove outer wall, 203(is the sidewall of slowly-releasing lid) effect of formation elastic force, make slowly-releasing lid 100 coordinate more close with pond body inwall, play sealing effectiveness, moreover, can increase the frictional force between slowly-releasing lid 100 and pond body inwall, effectively prevent that slowly-releasing lid 200 is ejected.
In order to reach optimum efficiency, in this example, the degree of depth of cannelure 202 is that 5mm, width are that the thickness of 19mm, outer wall is 0.4mm.
For the practicality of slowly-releasing lid 200 is provided, the slowly-releasing lid 200 in this example adopts polytetrafluoroethylmaterial material to make.Make it have high temperature resistant, anticorrosive, easy to clean, can Reusability etc. feature.
Referring to Fig. 4, the present invention also provides a kind of abstraction pool 400 that adopts above-mentioned slowly-releasing lid 200, its structure composition and prior art are basic identical, comprise columniform pond body 401, nut cap 402, the first filter 403, the second filter 404 and feed liquor sealing column 405.
Moreover the present invention also comprises and prevents the slowly-releasing lid 200 regurgitated.
Further, the present invention is provided with one along pond body and is anti-rollly with 406 on the outer wall of pond body 401, specifically can on the outer wall of cylindrical pond body, offer a horizontal breach.It can effectively stop pond body 401 arbitrarily to roll, and is convenient to people's the damage that uses and prevent from dropping.
The present invention who forms according to technique scheme is in the time of experimental implementation, and detailed process is (referring to Fig. 5) as follows:
Sample 500 is inserted in abstraction pool 401, and covered filter paper 403,404 at sample surfaces.
Be spirally connected with slowly-releasing lid 200 with extracting rod 300, and imported in extraction 401, and contact with filter paper.
After unclamping and extracting rod 300 and slowly-releasing lid 200 unclamps, abstraction pool is vertically inserted in abstraction instrument.
By nut cap 402 and feed liquor sealing column 405 from sealed at both ends abstraction pool, and fluid injection extraction.
After extraction, body sealing in pond is opened automatically, and its inside is by decompression.Now, because slowly-releasing lid 100 and pond body inner wall sealing join, and there is enough large frictional force between the two, so pond body inner high voltage can only slowly be discharged by the inlet opening 201 that on slowly-releasing lid 200, bore is very little, alleviate its quick decompression, in abstraction pool, there is the gasification rapidly in the situation that losing pressure of a small amount of residual solvent thereby effectively solve, and take up sample and raise out abstraction pool, pollute the problem of instrument internal.
The present invention, in the time of concrete application, not only can effectively improve effect of extracting, can also effectively save experimental cost:
Take the naphthalene in polycyclic aromatic hydrocarbon as example, when having used this counter-jetting resistance device abstraction pool extraction pedotheque only to need 15 mL n-hexanes just can reach 98.77% rate of recovery, the relative standard deviation 2.59% of 6 experiments, and do not use this counter-jetting resistance device abstraction pool extraction same sample, need 50mL n-hexane just can reach the identical rate of recovery.Therefore, this device has been saved a large amount of organic solvents, effectively reduces extraction cost.
While using this device, dispersant can be filled the remaining space in abstraction pool, therefore can save organic solvent.Moreover dispersant can also disperse solid sample, makes sample can fully contact extractant, has improved the efficiency of extraction.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. an abstraction pool counter-jetting resistance device, it is characterized in that, described counter-jetting resistance device comprises a slowly-releasing lid, and described slowly-releasing lid and abstraction pool inside match, and the centre of described slowly-releasing lid offers an inlet opening, the front of described slowly-releasing lid offers a cannelure, described cannelure forms elastic force effect by groove outer wall, slowly-releasing lid is coordinated more close with pond body inwall, plays sealing effectiveness, increase the frictional force between slowly-releasing lid and pond body inwall simultaneously, effectively prevent that slowly-releasing cover from ejecting.
2. a kind of abstraction pool counter-jetting resistance device according to claim 1, is characterized in that, the inlet opening that described slowly-releasing covers is a screwed hole.
3. a kind of abstraction pool counter-jetting resistance device according to claim 1, is characterized in that, described counter-jetting resistance device also comprises an extraction rod, matches with the inlet opening that described slowly-releasing covers in one end of described extraction rod.
4. a kind of abstraction pool counter-jetting resistance device according to claim 1, is characterized in that, the degree of depth of described cannelure is that 5mm, width are that the thickness of 19mm, outer wall is 0.4mm.
5. according to the arbitrary described a kind of abstraction pool counter-jetting resistance device of claim 1 to 4, it is characterized in that, described slowly-releasing lid adopts polytetrafluoroethylmaterial material to make.
6. an abstraction pool, mainly comprises pond body, it is characterized in that, described abstraction pool also comprises the counter-jetting resistance device described in claim 1 to 4 any one.
7. a kind of abstraction pool according to claim 6, is characterized in that, on the outer wall of described pond body, is provided with an anti-roll band along pond body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010608659.7A CN102527078B (en) | 2010-12-28 | 2010-12-28 | Back spray prevention device for extraction tank and an extraction tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010608659.7A CN102527078B (en) | 2010-12-28 | 2010-12-28 | Back spray prevention device for extraction tank and an extraction tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102527078A CN102527078A (en) | 2012-07-04 |
| CN102527078B true CN102527078B (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010608659.7A Expired - Fee Related CN102527078B (en) | 2010-12-28 | 2010-12-28 | Back spray prevention device for extraction tank and an extraction tank |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107224A (en) * | 2015-09-13 | 2015-12-02 | 上海华之光谱仪器有限公司 | Auto-collimation centering high-temperature high-pressure extraction pool sealing structure |
| CN112717458B (en) * | 2020-12-16 | 2022-06-24 | 湖北鼎泰高科有限公司 | Anti-back spray device of extraction tank |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5785856A (en) * | 1994-06-14 | 1998-07-28 | Dionex Corporation | Automated accelerated solvent extraction apparatus and method |
| CN1204296A (en) * | 1995-12-13 | 1999-01-06 | 思卢管理股份公司 | Device for applying adhesive mounting strip |
| US6475392B2 (en) * | 1998-07-30 | 2002-11-05 | Takenori Tanimura | Multistage liquid-solid fractional extraction apparatus |
| CN101036841A (en) * | 2007-02-02 | 2007-09-19 | 浦华控股有限公司 | Down-transmission type centrifugal extractor for the chemical industry operation |
| CN201021675Y (en) * | 2007-02-03 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Handle device for portable pump unit |
| CN101274155A (en) * | 2008-05-20 | 2008-10-01 | 国家海洋环境监测中心 | Microwave high voltage extraction container |
| CN101318084A (en) * | 2007-06-08 | 2008-12-10 | 中国科学院大连化学物理研究所 | High voltage pool for heating solvent extraction |
-
2010
- 2010-12-28 CN CN201010608659.7A patent/CN102527078B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5785856A (en) * | 1994-06-14 | 1998-07-28 | Dionex Corporation | Automated accelerated solvent extraction apparatus and method |
| CN1204296A (en) * | 1995-12-13 | 1999-01-06 | 思卢管理股份公司 | Device for applying adhesive mounting strip |
| US6475392B2 (en) * | 1998-07-30 | 2002-11-05 | Takenori Tanimura | Multistage liquid-solid fractional extraction apparatus |
| CN101036841A (en) * | 2007-02-02 | 2007-09-19 | 浦华控股有限公司 | Down-transmission type centrifugal extractor for the chemical industry operation |
| CN201021675Y (en) * | 2007-02-03 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Handle device for portable pump unit |
| CN101318084A (en) * | 2007-06-08 | 2008-12-10 | 中国科学院大连化学物理研究所 | High voltage pool for heating solvent extraction |
| CN101274155A (en) * | 2008-05-20 | 2008-10-01 | 国家海洋环境监测中心 | Microwave high voltage extraction container |
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| CN102527078A (en) | 2012-07-04 |
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Granted publication date: 20140618 Termination date: 20211228 |