CN204028046U - Film Concentration Sampling device - Google Patents
Film Concentration Sampling device Download PDFInfo
- Publication number
- CN204028046U CN204028046U CN201420507938.8U CN201420507938U CN204028046U CN 204028046 U CN204028046 U CN 204028046U CN 201420507938 U CN201420507938 U CN 201420507938U CN 204028046 U CN204028046 U CN 204028046U
- Authority
- CN
- China
- Prior art keywords
- well heater
- tubular support
- porous tubular
- film
- outer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 15
- 238000003795 desorption Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 4
- 239000005416 organic matter Substances 0.000 abstract description 10
- 238000004458 analytical method Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to chemical analysis field, it is a kind of film Concentration Sampling device volatile organic matter being had to inrichment, be characterized in, comprise: outer sleeve, stopple coupon, enrichment film, porous tubular support, well heater protecting pipe, detected sample inlet, detected sample export, well heater and temperaturecontrol sensor, outer sleeve is provided with detected sample inlet and detected sample export, in outer sleeve and its two end cap are tightly connected the cavity volume that formed, porous tubular support is set, one end and the stopple coupon of porous tubular support are connected, porous tubular support is nested with enrichment film, the desorption chamber be communicated with stopple coupon is provided with at porous tubular support, well heater protecting pipe is built-in with in desorption chamber, in well heater protecting pipe, sealing is equipped with well heater, temperaturecontrol sensor in the end cap of outer sleeve.Enrichment film is silicone tube.It is simple and reasonable, and efficiency is high, can realize on-line continuous and detect.
Description
Technical field
The present invention relates to chemical analysis field, is a kind of film Concentration Sampling device volatile organic matter being had to inrichment.
Background technology
Industrial process or environment measuring relate to the on-line analysis of trace materials, and the input mode that current on-line analysis adopts mainly contains micropore sample introduction or slit sample introduction, capillary sample inlet and film sample introduction.Micropore sample introduction or slit sample introduction require that machining accuracy is high, and during sample introduction, the vacuum difference of each micropore or slit can cause the very large dilution of sample, is not suitable for trace components analysis.Capillary sample inlet structure is simple, and applied range, can select the kapillary of different inner diameters and length as required.But the high vacuum maintained in mass spectrum mass analyzer, the air inflow of sampling system can only remain on 1 ~ 20 mL/m i n, even if for the so few air inflow ionizing efficiency of the detection of trace compound higher being also difficult to detect, therefore must mate with sample or ion enrichment device.Micropore sample introduction or slit sample introduction and capillary sample inlet can control air inflow effectively, but do not have enrichment function.Film sampling system structure is simple, allow gas or fluid sample directly to enter into mass spectrometer system, sample is without the need to carrying out complicated pre-treatment, and most importantly film sample introduction has the function of enrichment simultaneously, and the response time of ultrathin membrane is short, the needs of on-line analysis can be met.
Summary of the invention
The purpose of this utility model is to provide a kind of simple and reasonable for structure, and efficiency is high, can realize the film Concentration Sampling device that on-line continuous detects.
The purpose of this utility model is realized by following technical scheme: a kind of film Concentration Sampling device, it is characterized in that, it comprises: outer sleeve, stopple coupon, enrichment film, porous tubular support, well heater protecting pipe, detected sample inlet, detected sample export, well heater and temperaturecontrol sensor, outer sleeve is provided with detected sample inlet and detected sample export, in outer sleeve and its two end cap are tightly connected the cavity volume that formed, porous tubular support is set, one end and the stopple coupon of porous tubular support are connected, porous tubular support is nested with enrichment film, the desorption chamber be communicated with stopple coupon is provided with at porous tubular support, well heater protecting pipe is built-in with in desorption chamber, in well heater protecting pipe, sealing is equipped with well heater, temperaturecontrol sensor in the end cap of outer sleeve.
Described enrichment film is silicone tube.
The film enrichment principle of the utility model film Concentration Sampling device is that volatile organic matter dissolves and spreads in enrichment film, and at the opposite side desorption of enrichment film, desorption side connects mass spectrometer.Because mass spectrometer cavity is operated in vacuum state, there is pressure reduction in enrichment film both sides, volatile organic matter dissolved in enrichment film and spreads to continue to carry out.
The effect of the utility model film Concentration Sampling device is embodied in:
1, due to the setting of well heater and temperaturecontrol sensor, improve the temperature of desorption one side form enrichment film body, be dissolved in volatile organic matter easier desorption under the high temperature conditions wherein;
2, the quickening of desorption rate, makes the concentration difference of the volatile organic matter of film enrichment film both sides strengthen, and strengthens dissolving and rate of diffusion;
3, owing to being that on-line continuous detects, when detected sample temperature is very low, the temperature improving film enrichment film body is more necessary;
4, it is simple and reasonable, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of film Concentration Sampling device;
In figure: 1 temperaturecontrol sensor, 2 well heaters, 3 detected sample exports, 4 well heater protecting pipes, 5 desorption chambeies, 6 porous tubular supports, 7 enrichment films, 8 outer sleeves, 9 detected sample inlets, 10 stopple coupons.
Embodiment
Accompanying drawing is utilized to be further described film Concentration Sampling device of the present utility model below.
With reference to Fig. 1, film Concentration Sampling device of the present utility model, comprises temperaturecontrol sensor 1, well heater 2, detected sample export 3, well heater protecting pipe 4, desorption chamber 5, porous tubular support 6, enrichment film 7, outer sleeve 8, detected sample inlet 9, stopple coupon 10.Outer sleeve 8 is provided with detected sample inlet 9 and detected sample export 3, in outer sleeve 8 and its two end cap are tightly connected the cavity volume that formed, porous tubular support 6 is set, one end and the stopple coupon 10 of porous tubular support 6 are connected, porous tubular support 6 is nested with enrichment film 7, the desorption chamber 5 be communicated with stopple coupon 10 is provided with at porous tubular support 6, be built-in with well heater protecting pipe 4 in desorption chamber 5, in well heater protecting pipe 4, sealing is equipped with well heater 2, temperaturecontrol sensor 1 in the end cap of outer sleeve 8.
During on-line period, detected sample continues to flow through the inner chamber of outer sleeve 8 with certain flow rate, and the exterior surface of detected sample and enrichment film 7, enrichment film 7 generally uses silicone tube, is sleeved on the outside surface of porous tubular support 6.Volatile organic matter in detected sample dissolves, spreads in enrichment film 7, arrive the inside surface of enrichment film 7, enter desorption chamber 5 through porous tubular support 6, under vacuum, the volatile organic matter entered in the detected sample in desorption chamber 5 enters mass spectrometer for analyzing from stopple coupon 10.Be provided with well heater 2 in the inside of porous tubular support 6, well heater 2 and temperaturecontrol sensor 1 cooperating, make the temperature constant of inside, desorption chamber 5, improves enrichment desorption performance.Well heater protecting pipe 4 is built-in with in desorption chamber 5, in well heater protecting pipe 4, sealing is equipped with well heater 2, the volatile organic matter that well heater 2 is sealed in the detected sample in well heater protecting pipe 4 in case in the attached chamber of anti-avulsion 5 enters well heater 2, is also convenient to the replacing of well heater 2.Detected sample is liquid containing volatile organic matter or gas.
Claims (2)
1. a film Concentration Sampling device, it is characterized in that, it comprises: outer sleeve, stopple coupon, enrichment film, porous tubular support, well heater protecting pipe, detected sample inlet, detected sample export, well heater and temperaturecontrol sensor, outer sleeve is provided with detected sample inlet and detected sample export, in outer sleeve and its two end cap are tightly connected the cavity volume that formed, porous tubular support is set, one end and the stopple coupon of porous tubular support are connected, porous tubular support is nested with enrichment film, the desorption chamber be communicated with stopple coupon is provided with at porous tubular support, well heater protecting pipe is built-in with in desorption chamber, in well heater protecting pipe, sealing is equipped with well heater, temperaturecontrol sensor in the end cap of outer sleeve.
2. film Concentration Sampling device according to claim 1, is characterized in that, described enrichment film is silicone tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507938.8U CN204028046U (en) | 2014-09-04 | 2014-09-04 | Film Concentration Sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507938.8U CN204028046U (en) | 2014-09-04 | 2014-09-04 | Film Concentration Sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204028046U true CN204028046U (en) | 2014-12-17 |
Family
ID=52067888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420507938.8U Expired - Lifetime CN204028046U (en) | 2014-09-04 | 2014-09-04 | Film Concentration Sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204028046U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918642A (en) * | 2018-05-15 | 2018-11-30 | 中国科学院合肥物质科学研究院 | Film condensing device and method are extracted in the online atomization of volatile organic matter in a kind of water |
| CN109841482A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院大连化学物理研究所 | The Concentration Sampling and ionization device of volatile organic matter in a kind of fluid sample |
| CN111213048A (en) * | 2017-07-23 | 2020-05-29 | 太赫兹集团有限公司 | System and method for non-invasively determining properties of eggs |
| US11570971B2 (en) | 2016-07-29 | 2023-02-07 | Novatrans Group S.A. | System and method for in ovo sexing of avian embryos |
| US12082561B2 (en) | 2017-07-23 | 2024-09-10 | Terahertz Group Ltd. | System and method for non-invasively determining egg properties |
-
2014
- 2014-09-04 CN CN201420507938.8U patent/CN204028046U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11570971B2 (en) | 2016-07-29 | 2023-02-07 | Novatrans Group S.A. | System and method for in ovo sexing of avian embryos |
| US11723343B2 (en) | 2016-07-29 | 2023-08-15 | Novatrans Group S.A. | System and method for in ovo sexing of avian embryos |
| CN111213048A (en) * | 2017-07-23 | 2020-05-29 | 太赫兹集团有限公司 | System and method for non-invasively determining properties of eggs |
| CN111213048B (en) * | 2017-07-23 | 2023-08-25 | 太赫兹集团有限公司 | System and method for non-invasively determining egg properties |
| US12082561B2 (en) | 2017-07-23 | 2024-09-10 | Terahertz Group Ltd. | System and method for non-invasively determining egg properties |
| CN109841482A (en) * | 2017-11-27 | 2019-06-04 | 中国科学院大连化学物理研究所 | The Concentration Sampling and ionization device of volatile organic matter in a kind of fluid sample |
| CN108918642A (en) * | 2018-05-15 | 2018-11-30 | 中国科学院合肥物质科学研究院 | Film condensing device and method are extracted in the online atomization of volatile organic matter in a kind of water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |