CN202994547U - Composite device with sampling, thermal analysis and permeable membrane - Google Patents
Composite device with sampling, thermal analysis and permeable membrane Download PDFInfo
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- CN202994547U CN202994547U CN 201220715857 CN201220715857U CN202994547U CN 202994547 U CN202994547 U CN 202994547U CN 201220715857 CN201220715857 CN 201220715857 CN 201220715857 U CN201220715857 U CN 201220715857U CN 202994547 U CN202994547 U CN 202994547U
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- permeable membrane
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- upper cover
- sealing gasket
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Abstract
The utility model relates to a composite device with sampling, thermal analysis and a permeable membrane. The composite device comprises an upper cover plate, the permeable membrane, a sealing gasket, a main cavity and bolts, wherein the permeable membrane and the sealing gasket are arranged between the upper cover plate and the main cavity; the upper cover plate and the main cavity are fastened through the bolts; a groove is formed in the upper cover plate and is connected with an air inlet and an air outlet; an annular support A, a heating assembly, a heatproof insulating wire net and an annular support B are successively arranged in the main cavity from bottom to top, an air inlet is formed in the bottom of the main cavity, an air outlet is formed in the upper side wall of the main cavity, and an air sample to be collected and analyzed goes in and out of the air inlet and the air outlet respectively; and a power line of the heating assembly is led out through the side wall of the main cavity. The composite device integrates the functions of sampling, thermal analysis, membrane permeation and the like, and is impact in structure, small in dead volume and capable of rapidly collecting and analyzing samples.
Description
Technical field
The utility model belongs to the gas analysis technology of chemical analysis field, and specifically the set composite of permeable membrane is analysed in a kind of pyrolysis of sampling.
Background technology
When adopting gas analysis technology to analyze, usually need at first liquids and gases sample heat hot to be resolved to form corresponding gaseous sample, then this gaseous sample is analyzed, for example a kind of solid of inventing of number of patent application ZL200610088949.7, the sampling device of fluid sample.
Simultaneously, due to liquid, gaseous sample potpourri often, when adding thermosetting gas except compound itself, also comprise water vapor and other gaseous impurities, the accuracy of interference analysis and sensitivity, therefore can adopt infiltrate membrane technology, what stop water vapor sees through film through film, assurance solid-liquid compound to be analyzed, is analyzed accurately.
In addition, adopt fixing sampling device, be easy to be subject to the pollution of different samples, the result of interference analysis, disposable film device can solve the problem that the sample intersection is disturbed.
Therefore the utility model has designed the set composite that permeable membrane is analysed in a kind of pyrolysis of sampling, to address the above problem.
The utility model content
The purpose of this utility model is to provide a kind of pyrolysis of sampling to analyse the set composite of permeable membrane.
For achieving the above object, the technical solution adopted in the utility model is:
The set composite of permeable membrane is analysed in a kind of pyrolysis of sampling, and is made of upper cover plate, permeable membrane, sealing gasket, main cavity and bolt, and permeable membrane and sealing gasket are installed between upper cover plate and main cavity, and upper cover plate is in the same place by bolted with main cavity.
Upper cover plate is provided with groove, and groove is connecting air intake opening and gas outlet;
In main cavity, annular A support, heating component, high temperature insulation silk screen, annular B support are housed successively from the bottom to top, air intake opening is arranged at the bottom on main cavity, and upper portion side wall has the gas outlet, for the gaseous sample turnover of analysis to be collected.The power lead of heating component is drawn by the sidewall of main cavity.
The end face of the openend of main cavity is provided with for the annular recess of placing sealing gasket; Annular recess is built-in with sealing gasket;
The lower surface of upper cover plate is relative with the openend of main cavity to be snapped together, and permeable membrane is placed between upper cover plate, main cavity, and the both sides of permeable membrane are respectively the upper end open of groove and the main cavity of upper cover plate;
Sealing gasket will seal between permeable membrane and main cavity, simultaneously with the gap sealing between main cavity inwall and annular B support.
Upper cover plate is in the same place by bolted with main cavity.
Permeable membrane is the silicone rubber membrane of heatproof, and the thickness of permeable membrane is the 25-500 micron.
The heating-up temperature of heating component is at the 50-280 degree.
The heat time heating time of heating component is in 1-120 second.
The heat-resisting 50-360 degree of high temperature insulation silk screen.
The high temperature insulation silk screen is teflon cloth, glass fabric, silica gel cloth, aromatic polyamide fibre cloth etc.
The screen distance of high temperature insulation silk screen is the 2-500 micron.
The thickness of high temperature insulation silk screen is 0.5 millimeter to 4 millimeters.
The gaseous sample of analysis to be collected, air intake opening by main cavity enters, flow out gas outlet through annular A support, heating component, high temperature insulation silk screen, annular B support, main cavity, and the part composition in gaseous sample is attracted on the high temperature insulation silk screen, and this moment, heating component did not heat.
When pyrolysis was analysed, the heating component Fast Heating was vaporized the sample heating that is adsorbed on the high temperature insulation silk screen, permeate through permeable membrane, enters in upper cover plate, taken away by the carrier gas of flow through upper cover plate air intake opening and gas outlet, analyzes.
The set composite of permeable membrane is analysed in this sampling pyrolysis, and the functions such as centralized procurement sample, pyrolysis are analysed, film infiltration are in one, and compact conformation, dead volume are little, can realize Quick Acquisition, the express-analysis of sample.
Description of drawings
Describe in further detail below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram that the set composite of permeable membrane is analysed in a kind of pyrolysis of sampling.
Fig. 2 is the inner structure schematic diagram of heating component, comprises calandria shell 12-1 and calandria 12-2,
Embodiment
As shown in Fig. 1 was, the set composite of permeable membrane was analysed in a kind of pyrolysis of sampling, and was made of upper cover plate 1, permeable membrane 2, sealing gasket 3, main cavity 4 and bolt 5, and permeable membrane 2 and sealing gasket 3 are installed between upper cover plate and main cavity;
Upper cover plate is provided with groove, and groove is connecting air intake opening 6 and gas outlet 7;
In main cavity, annular A support 13, heating component 12, high temperature insulation silk screen 10, annular B support 8 are housed successively from the bottom to top, air intake opening 14 is arranged at the bottom on main cavity 4, and upper portion side wall has gas outlet 9, for the gaseous sample turnover of analysis to be collected.The power lead 11 of heating component is drawn by the sidewall of main cavity 4;
The top of main cavity 4 is provided with for the annular recess of placing sealing gasket 3;
Sealing gasket 3 is placed in annular recess;
Sealing gasket 3 is with sealing between permeable membrane 2 and main cavity 4, simultaneously with the gap sealing between main cavity 4 inwalls and annular B support 8.
Permeable membrane 3 is silicone rubber membranes of heatproof, and the thickness of permeable membrane is the 25-500 micron.
As shown in Fig. 2 is, comprise calandria shell 12-1 and calandria 12-2,
The heating-up temperature of calandria 12-2 is at the 50-280 degree, and heat time heating time is in 1-120 second.Calandria shell 12-1 is nonmetallic materials, plays purpose fixing and the insulation calandria.
High temperature insulation silk screen 10 is teflon cloth, glass fabric, silica gel cloth, aromatic polyamide fibre cloth etc., and screen distance is the 2-500 micron, and thickness is 0.5 millimeter to 4 millimeters, heat-resisting 50-360 degree,
The gaseous sample of analysis to be collected, air intake opening 14 by main cavity 4 enters, flow out gas outlet 9 through annular A support 13, heating component 12, high temperature insulation silk screen 10, annular B support 8, main cavity 4, part composition in gaseous sample is attracted on high temperature insulation silk screen 10, and this moment, heating component 12 did not heat.
When pyrolysis was analysed, heating component 12 Fast Heating were vaporized the sample heating that is adsorbed on high temperature insulation silk screen 10, permeate through permeable membranes 2, enter in upper cover plate 1, taken away by the carrier gas of flow through upper cover plate air intake opening 6 and gas outlet 7, analyze.
The set composite of permeable membrane is analysed in this sampling pyrolysis, and the functions such as centralized procurement sample, pyrolysis are analysed, film infiltration are in one, and compact conformation, dead volume are little, can realize Quick Acquisition, the express-analysis of sample.
Embodiment 1:
The set composite of permeable membrane is analysed in a kind of pyrolysis of sampling, and is made of upper cover plate 1, permeable membrane 2, sealing gasket 3, main cavity 4 and bolt 5, and permeable membrane 2 and sealing gasket 3 are installed between upper cover plate and main cavity, and upper cover plate 1 and main cavity 4 tighten together by bolt 5.；
Permeable membrane 3 is silicone rubber membranes of heatproof, and the thickness of permeable membrane is 25 microns.
The heating-up temperature of heating component 12 is at 50 degree, and the heat time heating time of heating component 11 was at 1 second.
High temperature insulation silk screen 10 is teflon cloth, and screen distance is 2 microns, and thickness is 0.5 millimeter, heat-resisting 360 degree.
The polymethylmethacrylate gaseous sample of analysis to be collected, air intake opening 14 by main cavity 4 enters, flow out gas outlet 9 through annular A support 13, heating component 12, high temperature insulation silk screen 10, annular B support 8, main cavity 4, part composition in gaseous sample is attracted on high temperature insulation silk screen 10, and this moment, heating component 12 did not heat.
When pyrolysis is analysed, heating component 12 Fast Heating, the sample heating that is adsorbed on high temperature insulation silk screen 10 is vaporized, permeated through permeable membrane 2, enters in upper cover plate 1, taken away by the air intake opening 6 of the upper cover plate 1 of flowing through and the carrier gas of gas outlet 7, be sent in ion mobility spectrometry, adopt positive ion mode to analyze, obtain the detection signal of polymethylmethacrylate.
Embodiment 2:
The set composite of permeable membrane is analysed in a kind of pyrolysis of sampling, and is made of upper cover plate 1, permeable membrane 2, sealing gasket 3, main cavity 4 and bolt 5, and permeable membrane 2 and sealing gasket 3 are installed between upper cover plate and main cavity, and upper cover plate 1 and main cavity 4 tighten together by bolt 5.；
Permeable membrane 3 is silicone rubber membranes of heatproof, and the thickness of permeable membrane is 500 microns.
The heating-up temperature of heating component 12 is at 280 degree, and the heat time heating time of heating component 12 was at 120 seconds.
High temperature insulation silk screen 10 is glass fabric etc., and screen distance is the 2-500 micron, and thickness is 4 millimeters, heat-resisting 360 degree.
The polymethylmethacrylate gaseous sample of analysis to be collected, air intake opening 14 by main cavity 4 enters, flow out gas outlet 9 through annular A support 13, heating component 12, high temperature insulation silk screen 10, annular B support 8, main cavity 4, part composition in gaseous sample is attracted on high temperature insulation silk screen 10, and this moment, heating component 12 did not heat.
When pyrolysis is analysed, heating component 12 Fast Heating, the sample heating that is adsorbed on high temperature insulation silk screen 10 is vaporized, permeated through permeable membrane 2, enters in upper cover plate 1, taken away by the air intake opening 6 of the upper cover plate 1 of flowing through and the carrier gas of gas outlet 7, be sent in ion mobility spectrometry, adopt negative ion mode to analyze, obtain the detection signal of polymethylmethacrylate.
Embodiment 3:
The set composite of permeable membrane is analysed in a kind of pyrolysis of sampling, and is made of upper cover plate 1, permeable membrane 2, sealing gasket 3, main cavity 4 and bolt 5, and permeable membrane 2 and sealing gasket 3 are installed between upper cover plate and main cavity, and upper cover plate 1 and main cavity 4 tighten together by bolt 5.；
Permeable membrane 3 is silicone rubber membranes of heatproof, and the thickness of permeable membrane is 100 microns.
The heating-up temperature of heating component 12 is at 280 degree, and the heat time heating time of heating component 12 was at 120 seconds.
High temperature insulation silk screen 10 is silica gel cloth etc., and screen distance is 200 microns, and thickness is 1 millimeter, heat-resisting 360 degree.
The polymethylmethacrylate gaseous sample of analysis to be collected, air intake opening 14 by main cavity 4 enters, flow out gas outlet 9 through annular A support 13, heating component 12, high temperature insulation silk screen 10, annular B support 8, main cavity 4, part composition in gaseous sample is attracted on high temperature insulation silk screen 10, and this moment, heating component 12 did not heat.
When pyrolysis is analysed, heating component 12 Fast Heating, the sample heating that is adsorbed on high temperature insulation silk screen 10 is vaporized, permeated through permeable membrane 2, enters in upper cover plate 1, taken away by the air intake opening 6 of the upper cover plate 1 of flowing through and the carrier gas of gas outlet 7, be sent in ion mobility spectrometry, adopt positive ion mode to analyze, obtain the detection signal of polymethylmethacrylate.
Embodiment 4:
The set composite of permeable membrane is analysed in a kind of pyrolysis of sampling, and is made of upper cover plate 1, permeable membrane 2, sealing gasket 3, main cavity 4 and bolt 5, and permeable membrane 2 and sealing gasket 3 are installed between upper cover plate and main cavity, and upper cover plate 1 and main cavity 4 tighten together by bolt 5.；
Permeable membrane 3 is silicone rubber membranes of heatproof, and the thickness of permeable membrane is 25 microns.
The heating-up temperature of heating component 12 is at 50 degree, and the heat time heating time of heating component 12 was at 1 second.
High temperature insulation silk screen 10 is aromatic polyamide fibre cloth etc., and screen distance is 2 microns, and thickness is 0.5 millimeter, heat-resisting 50 degree.
The polymethylmethacrylate gaseous sample of analysis to be collected, air intake opening 14 by main cavity 4 enters, flow out gas outlet 9 through annular A support 13, heating component 12, high temperature insulation silk screen 10, annular B support 8, main cavity 4, part composition in gaseous sample is attracted on high temperature insulation silk screen 10, and this moment, heating component 12 did not heat.
When pyrolysis is analysed, heating component 12 Fast Heating, the sample heating that is adsorbed on high temperature insulation silk screen 10 is vaporized, permeated through permeable membrane 2, enters in upper cover plate 1, taken away by the air intake opening 6 of the upper cover plate 1 of flowing through and the carrier gas of gas outlet 7, be sent in ion mobility spectrometry, adopt negative ion mode to analyze, obtain the detection signal of polymethylmethacrylate.
Claims (5)
1. the set composite of permeable membrane is analysed in the pyrolysis of sampling, and is made of upper cover plate, permeable membrane, sealing gasket, main cavity and bolt, and permeable membrane and sealing gasket are installed between upper cover plate and main cavity;
The lower surface of upper cover plate is provided with groove, and groove is provided with air intake opening and gas outlet;
Be the container of a upper end open in main cavity, annular A support, heating component, the high temperature insulation silk screen of hollow, the annular B support of hollow are installed from the bottom to top in main cavity successively; Bottom in main cavity is provided with air intake opening, on the upper portion side wall of main cavity, the gas outlet is arranged, for the gaseous sample turnover of analysis to be collected; Heating component is electric heating assembly, and the power lead of electric heating assembly is drawn by the sidewall of main cavity;
The end face of the openend of main cavity is provided with for the annular recess of placing sealing gasket; Annular recess is built-in with sealing gasket;
The lower surface of upper cover plate is relative with the openend of main cavity to be snapped together, and permeable membrane is placed between upper cover plate, main cavity, and the both sides of permeable membrane are respectively the upper end open of groove and the main cavity of upper cover plate;
Sealing gasket will seal between permeable membrane and main cavity, simultaneously with the gap sealing between main cavity inwall and annular B support.
2. set composite according to claim 1, it is characterized in that: upper cover plate is in the same place by bolted with main cavity.
3. set composite according to claim 1, it is characterized in that: the thickness of permeable membrane is the 25-500 micron.
4. set composite according to claim 1, it is characterized in that: the screen distance of high temperature insulation silk screen is the 2-500 micron.
5. set composite according to claim 1, it is characterized in that: the thickness of high temperature insulation silk screen is 0.5 millimeter to 4 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220715857 CN202994547U (en) | 2012-12-21 | 2012-12-21 | Composite device with sampling, thermal analysis and permeable membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220715857 CN202994547U (en) | 2012-12-21 | 2012-12-21 | Composite device with sampling, thermal analysis and permeable membrane |
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| Publication Number | Publication Date |
|---|---|
| CN202994547U true CN202994547U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220715857 Expired - Lifetime CN202994547U (en) | 2012-12-21 | 2012-12-21 | Composite device with sampling, thermal analysis and permeable membrane |
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| CN (1) | CN202994547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932221A (en) * | 2017-12-15 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of modular atmosphere sampling instrument and application |
-
2012
- 2012-12-21 CN CN 201220715857 patent/CN202994547U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932221A (en) * | 2017-12-15 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of modular atmosphere sampling instrument and application |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |