CN206161642U - Extraction and desorption device - Google Patents
Extraction and desorption device Download PDFInfo
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- CN206161642U CN206161642U CN201621173875.2U CN201621173875U CN206161642U CN 206161642 U CN206161642 U CN 206161642U CN 201621173875 U CN201621173875 U CN 201621173875U CN 206161642 U CN206161642 U CN 206161642U
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- extraction
- test tube
- desorption device
- water sample
- organic substance
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Abstract
The utility model discloses an extraction and desorption device for the extraction and the analysis of organic matter, include: the test tube for it provides the space holding of water sample to give to wait to detect, extraction mechanism, set up in the inside upper end of test tube for wait to detect the extraction of organic matter in the water sample, heating device sets up the upper end of test tube just is close to extraction mechanism for the analysis of giving the organic matter provides default temperature, the opening sets up down the test tube bottom for wait to detect the leading -in derivation of water sample, go up the opening, set up just be located on the test tube the extraction mechanism top for the organic gas's that the analytic back of organic matter formed output. The utility model provides an extraction and desorption device is through its structural design, can effectively prevent the production of vapor in the organic matter resolving, sneaks into vapor in avoiding organic gas, guarantees that the accurate of organic matter content detects, avoids organic matter detecting instrument's damage.
Description
Technical field
This utility model is related to water quality detection apparatus field, more specifically, more particularly to a kind of extraction desorption device.
Background technology
Water is Source of life, all be unable to do without water in the life and production activity of the mankind, the quality of water quality also with human health
It is closely bound up.With the raising of socio-economic development, scientific progress and living standards of the people, people constantly carry to water quality requirement
Height, routine testing of water quality etc. are also increasingly strict, but, due to chemicals such as the development of modernization industry, pesticide, chemical fertilizer not
Rationally abuse, causes Semi-volatile Organic Compounds In Underground Water pollution increasingly severe, and to human survival and health serious prestige is constituted
The side of body, substantial amounts of water source is subject to different degrees of pollution, and the detection of this feedwater matter proposes extremely huge challenge.In order to real-time
Water quality at detection water source, many regions all establish water quality online auto monitoring station, and in water sample Organic substance content
It is then one of particularly important factor of water quality quality.
Presently, for the automatic detection of the Organic substance of half volatile in water sample, now temporarily without good detection method,
Reason is that the Organic substance of half volatile in water sample needs to first pass through Solid-Phase Extraction as pre-treatment, and then parsing just can be carried out
Next step is analyzed.So-called extraction refers to that extraction seed is placed in water sample to be detected carries out concentration absorption Organic substance, and parses and refer to
Extraction seed after concentration is carried out into the process of high-temperature baking volatile organic compounds gas, wherein resolving is not allow for moisture and deposits
Otherwise moisture can be volatized in Organic substance detecting instrument affecting the accuracy of detection of Organic substance, and severe patient even causes organic
The damage of analyte detection instrument.In prior art, the equipment of general automatic organic substance extraction parsing, the Organic substance in water sample enters
During row extraction desorption, when the extraction seed after to concentration carries out high-temperature baking, it is easy to produce vapor, and these vapor are very
Easily it is mixed into into organic gas, has had a strong impact on the accurate detection of content of organics, also easily causes Organic substance detector
The damage of device.
Utility model content
To provide a kind of extraction desorption device, the extraction desorption device passes through it to the technical problems to be solved in the utility model
Structure design, can effectively prevent the generation of vapor in Organic substance resolving, it is to avoid vapor is mixed in organic gas,
Guarantee the accurate detection of content of organics, it is to avoid the damage of Organic substance detecting instrument.
A kind of extraction desorption device, the extraction and parsing for Organic substance, including：
Test tube, for providing space to the receiving of water sample to be detected；
Extraction mechanism, is arranged at the upper end of the test tube interior, for the extraction of Organic substance in water sample to be detected；
Heater, is arranged on the upper end of the test tube and near the extraction mechanism, carries for the parsing to Organic substance
For preset temperature；
Lower port, is arranged on the test tube bottom, for importing and exporting for water sample to be detected；
Upper port, is arranged on the test tube and positioned at extraction mechanism top, for what is formed after Organic substance parsing
The output of organic gas.
Preferably, the test tube is quartz glass test tube.
Preferably, the heater is heating wire, and the heating wire is around being located at the test tube upper end.
Preferably, the heater is electric heating sleeve, and the electric jacket jacket casing is located at the outside cylinder of the test tube upper end
On face.
Preferably, be provided with lower three way cock at the lower port, three interfaces of the lower three way cock respectively with institute
State the water sample storage device connection to be detected of lower port, peripheral hardware compressed air source unit, peripheral hardware.
Preferably, be provided with three way cock at the upper port, three interfaces of the upper three way cock respectively with institute
State upper port, peripheral hardware compressed air source unit, the connection of peripheral hardware Organic substance separation detecting device.
The beneficial effects of the utility model are：The extraction desorption device that this utility model is provided is by its structure design, energy
Enough effectively prevent the generation of vapor in Organic substance resolving, it is to avoid vapor is mixed in organic gas, it is ensured that Organic substance
The accurate detection of content, it is to avoid the damage of Organic substance detecting instrument.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is a kind of overall structure diagram of extraction desorption device of embodiment 1；
Fig. 2 is a kind of overall structure diagram of extraction desorption device of embodiment 2；
Fig. 3 is a kind of overall structure diagram of extraction desorption device of embodiment 3.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application, rather than the embodiment of whole.
Based on the embodiment in the application, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, should all belong to the scope of the application protection.
Embodiment 1：
Referring to Fig. 1, Fig. 1 provides a kind of a kind of specific embodiment of extraction desorption device of this utility model, wherein, Fig. 1
For a kind of overall structure diagram of extraction desorption device of embodiment 1.
As shown in figure 1, a kind of extraction desorption device that this utility model is provided, for extraction and the parsing of Organic substance, bag
Include test tube 1, extraction mechanism 2, heater 3, lower port 4 and upper port 5.
Test tube 1, for providing space to the receiving of water sample to be detected.
Extraction mechanism 2, the upper end being arranged inside the test tube 1, for the extraction of Organic substance in water sample to be detected.Specifically
, extraction mechanism 2 can select comprising extraction seed mechanism, by extract seed to draw water sample to be detected in Organic substance.
Heater 3, is arranged on the upper end of the test tube 1 and near the extraction mechanism 2, for the parsing of Organic substance
Preset temperature is provided.For different Organic substances, heater 3 can be passed through and provide different volatilization temperature to different Organic substances
Degree.
Lower port 4, is arranged on the bottom of the test tube 1, for importing and exporting for water sample to be detected.
Upper port 5, is arranged on the test tube 1 and positioned at extraction mechanism top, for being formed after Organic substance parsing
Organic gas output.Specifically, can be arranged directly on the top of the test tube 1.
In specific implementation process, comprise the steps：
First, water sample to be detected is directed into inside test tube 1 by lower port 4, wherein, the height of water sample to be detected is put into height
At position in extraction mechanism 2 and less than upper port 5；
2nd, when the Organic substance in water sample to be detected is extracted mechanism 2 to be extracted to a certain degree, water sample to be detected is passed through
Lower port 4 is derived from the inside of test tube 1, until the trickling of the inwall moisture of test tube 1 is clean；
3rd, open and heater 3 and adjust to set point of temperature, the heat produced by heater 3 is by extraction mechanism 2
The Organic substance volatilization of extraction, parses, in the step, due to heater 3 so as to Organic substance is changed into into organic gas
It is only arranged at the upper end of test tube 1, and being arranged in heater 3 outside whole test tube 1 unlike in prior art, lead to
After crossing above-mentioned steps two, the inwall of the upper end of test tube 1 has not substantially contained moisture, and moisture has been discharged to outside test tube 1, or few
Amount is remained at lower port 4, therefore, in the step, do not have the generation of vapor；
4th, the organic gas for evaporating are exported by upper port 5, and is directed into the separating organic matters detection of peripheral hardware
Separated in equipment and detected, wherein, separating organic matters testing equipment can select chromatograph.
Generally, the extraction desorption device that this utility model is provided can effectively prevent organic by its structure design
The generation of vapor in thing resolving, it is to avoid vapor is mixed in organic gas, it is ensured that the accurate detection of content of organics,
Avoid the damage of Organic substance detecting instrument.
It is further to prevent heat from importing the lower end of test tube 1 from the upper end of test tube 1 in the present embodiment, test tube 1 is preferably quartzy glass
Glass test tube.Quartz glass is a kind of special glass containing only the single composition of silicon dioxide, due to species, technique, the difference of raw material,
External often referred to as silicate glasses, quartz glass, vitreous silica, vitreosil.Due to the particularity of material contained by quartz glass,
Therefore the heat conductivility of quartz glass is excessively poor, and heat can be effectively prevented from test tube 1 from quartz glass test tube in this programme
Upper end imports the lower end of test tube 1.
It is further to optimize heats in the present embodiment, it is ensured that homogeneous heating when Organic substance is parsed, heater 3 is excellent
Elect heating wire as, the heating wire is around being located at the upper end of the test tube 1.
Further, heater 3 is preferably electric heating sleeve, and the electric jacket jacket casing is located at the upper end of the test tube 1
On external cylindrical surface.
Embodiment 2：
Referring to Fig. 2, Fig. 2 provides a kind of another kind of specific embodiment of extraction desorption device of this utility model, wherein, figure
2 is a kind of overall structure diagram of extraction desorption device of embodiment 2.
In the present embodiment, for convenience of the derivation of organic gas, lower three way cock 6 is provided with lower port 4, described lower three
Three interfaces of pass joint 6 are connected respectively with the lower port, peripheral hardware compressed air source unit, peripheral hardware water sample storage device to be detected.Tool
Body, peripheral hardware compressed air source unit is used to be passed through the carrier gas in direction from the bottom up into test tube 1, and the work of parsing thing water conservancy diversion is played in carrier gas
With, can effectively realize organic gas to the direction of upper port 5 flow.Peripheral hardware water sample storage device to be detected is to be checked for accommodating
The water sample of survey, in practical operation, it is also possible to directly sample from lake or river.
Embodiment 3：
Referring to Fig. 3, Fig. 3 provides a kind of the third specific embodiment of extraction desorption device of this utility model, wherein, figure
3 is a kind of overall structure diagram of extraction desorption device of embodiment 3.
In the present embodiment, for the moisture in test tube 1 is further dried, three way cock 7 is provided with upper port 5, it is described
Three interfaces of upper three way cock 7 connect respectively with the upper port, peripheral hardware compressed air source unit, peripheral hardware Organic substance separation detecting device
Connect.Specifically, peripheral hardware compressed air source unit be used to being passed through into test tube 1 from top to bottom be dried gas, for drying in test tube 1 remaining
Moisture, further prevents the generation of later stage vapor, and peripheral hardware Organic substance separation detecting device is used to carrying out organic gas point
From with detection.
A kind of extraction desorption device provided by the utility model is described in detail above.Tool used herein
Body example is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and understands
Method of the present utility model and its core concept.It should be pointed out that for those skilled in the art, do not taking off
On the premise of this utility model principle, some improvement and modification can also be carried out to this utility model, these improve and modify
Also fall in this utility model scope of the claims.
Claims (6)
1. a kind of extraction desorption device, for extraction and the parsing of Organic substance, it is characterised in that include：
Test tube, for providing space to the receiving of water sample to be detected；
Extraction mechanism, is arranged at the upper end of the test tube interior, for the extraction of Organic substance in water sample to be detected；
Heater, is arranged on the upper end of the test tube and near the extraction mechanism, for providing pre- to the parsing of Organic substance
If temperature；
Lower port, is arranged on the test tube bottom, for importing and exporting for water sample to be detected；
Upper port, is arranged on the test tube and positioned at extraction mechanism top, organic for what is formed after Organic substance parsing
The output of thing gas.
2. extraction desorption device according to claim 1, it is characterised in that the test tube is quartz glass test tube.
3. extraction desorption device according to claim 1, it is characterised in that the heater is heating wire, the electricity
Heated filament is around being located at the test tube upper end.
4. extraction desorption device according to claim 1, it is characterised in that the heater is electric heating sleeve, described
Electric jacket jacket casing is located on the external cylindrical surface of the test tube upper end.
5. extraction desorption device according to claim 1, it is characterised in that be provided with down three at the lower port and connect
Head, three interfaces of the lower three way cock are filled respectively with the lower port, peripheral hardware compressed air source unit, peripheral hardware water sample storage to be detected
Put connection.
6. extraction desorption device according to claim 1, it is characterised in that be provided with three at the upper port and connect
Head, three interfaces of the upper three way cock are filled respectively with the upper port, peripheral hardware compressed air source unit, peripheral hardware Organic substance separation detection
Put connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173875.2U CN206161642U (en) | 2016-10-26 | 2016-10-26 | Extraction and desorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621173875.2U CN206161642U (en) | 2016-10-26 | 2016-10-26 | Extraction and desorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161642U true CN206161642U (en) | 2017-05-10 |
Family
ID=58657027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621173875.2U Active CN206161642U (en) | 2016-10-26 | 2016-10-26 | Extraction and desorption device |
Country Status (1)
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| CN (1) | CN206161642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342614A (en) * | 2018-09-30 | 2019-02-15 | 力合科技（湖南）股份有限公司 | Water sample processing system |
| CN109342615A (en) * | 2018-09-30 | 2019-02-15 | 力合科技（湖南）股份有限公司 | Analytical mechanism and water sample processing system |
-
2016
- 2016-10-26 CN CN201621173875.2U patent/CN206161642U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342614A (en) * | 2018-09-30 | 2019-02-15 | 力合科技（湖南）股份有限公司 | Water sample processing system |
| CN109342615A (en) * | 2018-09-30 | 2019-02-15 | 力合科技（湖南）股份有限公司 | Analytical mechanism and water sample processing system |
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