CN204064903U - A kind of measurement mechanism of original position high pressure ultraviolet spectrum - Google Patents
A kind of measurement mechanism of original position high pressure ultraviolet spectrum Download PDFInfo
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- CN204064903U CN204064903U CN201420573918.0U CN201420573918U CN204064903U CN 204064903 U CN204064903 U CN 204064903U CN 201420573918 U CN201420573918 U CN 201420573918U CN 204064903 U CN204064903 U CN 204064903U
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Abstract
The utility model discloses a kind of measurement mechanism of original position high pressure ultraviolet spectrum, comprise autoclave, autoclave is provided with electric heating system, electric heating system is connected with temperature controller; Magnetic agitation system is provided with in autoclave; One end of described fibre-optical probe is fixed on autoclave by external thread, and the other end is connected with ultraviolet-visible spectra system by joint, and ultraviolet-visible spectra system is connected with computing machine by wire; Autoclave is also provided with gas admittance valve and air outlet valve and tensimeter.The utility model, by being fixed on autoclave by transmission-type fibre-optical probe, is difficult to the key issue measuring uv-vis spectra under solving High Temperature High Pressure.The utility model has reasonable in design, easy to use, sensitivity advantages of higher, can be used for the in site measurement of chemistry under High Temperature High Pressure and physical change process medium ultraviolet visible spectrum.
Description
Technical field
The utility model belongs to the in-situ measurement device technical field of high pressure ultraviolet spectrum, specifically, relate to a kind of can the device of in site measurement uv-vis spectra under high-temperature and high-pressure conditions.
Background technology
Situ high pressure uv-vis spectra measuring technique can provide the ultra-violet absorption spectrum spectrogram of real-time online under High Temperature High Pressure.The transient change of reactant, intermediate and product can be followed the tracks of simultaneously, the concentration change under High Temperature High Pressure, super critical condition and kinetic test can be realized.By the change of ultraviolet spectrum spectrogram, relevant reaction mechanism and path can be obtained.Therefore, situ high pressure uv-vis spectra measuring technique can be applicable to the fields such as the quantitative test of compound under chemical reaction in the reaction such as oxidation, hydrogenation under High Temperature High Pressure, Minute Organic Synthesis, supercritical fluid, High Temperature High Pressure.
Patent (CN03104567.7) discloses a kind of high-pressure flow reactor in ultraviolet-visual spectrometer, the flowing of the inner testing sample of the high-pressure pump realization response device by means of the external world, but this reactor is also monochromatic light road pattern, cannot realize condition in position test.Patent (CN103712931A) discloses the high pressure ultraviolet-visible spectral apparatus of on-line monitoring supercritical fluids system, has had raising in the performance parameter of device, but apparatus structure is complicated, operability is not strong.
Utility model content
For above-mentioned original position uv-vis spectra measurement mechanism institute problems faced, the purpose of this utility model is to provide the measurement mechanism that a kind of structure is simple, measure accurate, easy to operate original position high pressure uv-vis spectra.
Solution of the present invention is:
A measurement mechanism for original position high pressure ultraviolet spectrum, comprises autoclave, autoclave is provided with electric heating system, and electric heating system is connected with temperature controller; Magnetic agitation system is provided with in autoclave; One end of described fibre-optical probe is fixed on autoclave by external thread, and the other end is connected with ultraviolet-visible spectra system by joint, and ultraviolet-visible spectra system is connected with computing machine by wire; Autoclave is also provided with gas admittance valve and air outlet valve and tensimeter.
In above-mentioned original position high pressure ultraviolet spectrum measurement mechanism, described fibre-optical probe is the transmission-type immersion type fibre-optical probe for liquid measure.
In above-mentioned original position high pressure ultraviolet spectrum measurement mechanism, described ultraviolet-visible spectra system is the micro spectrometer with balanced deuterium halogen combined light source.
Compared with prior art, the utility model has following beneficial effect: the utility model, by being fixed on autoclave by transmission-type fibre-optical probe, is difficult to the key issue measuring uv-vis spectra under solving High Temperature High Pressure.The utility model has reasonable in design, easy to use, sensitivity advantages of higher, can be used for the in site measurement of chemistry under High Temperature High Pressure and physical change process medium ultraviolet visible spectrum.Purple light visible spectrum system of the present utility model is micro spectrometer, light stability, easy to operate, highly sensitive.The probe that the utility model adopts is transmission-type immersion type fibre-optical probe, can high temperature high voltage resistant, conveniently realizes the original position uv measurement in liquid phase reaction course.
Accompanying drawing explanation
Fig. 1 is the structural representation of original position high pressure ultraviolet spectrum measurement mechanism of the present utility model.
Embodiment
Now with embodiment, the utility model is described further by reference to the accompanying drawings.
As shown in Figure 1, a kind of measurement mechanism of original position high pressure ultraviolet spectrum, comprises autoclave 1, autoclave 1 is provided with electric heating system 6, and electric heating system 6 is connected with temperature controller 7; Magnetic agitation system 5 is provided with in autoclave 1; One end of described fibre-optical probe 9 is fixed on autoclave 1 by external thread 8, and the other end is connected with ultraviolet-visible spectra system 10 by joint, and ultraviolet-visible spectra system 10 is connected with computing machine 11 by wire; Autoclave 1 is also provided with gas admittance valve 2 and air outlet valve 3 and tensimeter 4.
During use, reactant liquor adds in autoclave 1, close air outlet valve 3, pass into gas raw material from gas admittance valve 2, tensimeter 4 controls reaction pressure, opens the switch of temperature controller 7, electric heating system 6 is started working, and control temperature of reaction, open magnetic agitation system 5, make the material in autoclave 1 start reaction.The other end of fibre-optical probe 9 is connected with ultraviolet-visible spectra system 10, opens mounted function software in computing machine 11, the in site measurement of uv-vis spectra can be carried out under the actual response condition of reactor.
Claims (3)
1. a measurement mechanism for original position high pressure ultraviolet spectrum, is characterized in that comprising autoclave (1), autoclave (1) is provided with electric heating system (6), electric heating system (6) is connected with temperature controller (7); Magnetic agitation system (5) is provided with in autoclave (1); One end of described fibre-optical probe (9) is fixed on autoclave (1) by external thread (8), and the other end is connected with ultraviolet-visible spectra system (10) by joint, and ultraviolet-visible spectra system (10) is connected with computing machine (11) by wire; Autoclave (1) is also provided with gas admittance valve (2) and air outlet valve (3) and tensimeter (4).
2. original position high pressure ultraviolet spectrum measurement mechanism according to claim 1, is characterized in that described fibre-optical probe (9) is the transmission-type immersion type fibre-optical probe for liquid measure.
3. original position high pressure ultraviolet spectrum measurement mechanism according to claim 1, is characterized in that described ultraviolet-visible spectra system (10) is the micro spectrometer with balanced deuterium halogen combined light source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420573918.0U CN204064903U (en) | 2014-09-30 | 2014-09-30 | A kind of measurement mechanism of original position high pressure ultraviolet spectrum |
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| CN201420573918.0U CN204064903U (en) | 2014-09-30 | 2014-09-30 | A kind of measurement mechanism of original position high pressure ultraviolet spectrum |
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| CN204064903U true CN204064903U (en) | 2014-12-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641968A (en) * | 2016-01-07 | 2016-06-08 | 中国原子能科学研究院 | Supercritical fluid complex reaction device with online spectrum monitoring function |
| CN107741423A (en) * | 2017-10-10 | 2018-02-27 | 中南大学 | The device of oxidation resistance under a kind of home position observation metallic high temperature atmosphere |
| CN110514612A (en) * | 2019-09-26 | 2019-11-29 | 吉林大学 | Absorption spectra under high pressure measuring system in situ |
| WO2023279859A1 (en) * | 2021-07-09 | 2023-01-12 | 齐鲁工业大学 | Device for monitoring gas hydrate generation and decomposition process at molecular level in-situ by using online infrared spectrometer, and use method of same |
-
2014
- 2014-09-30 CN CN201420573918.0U patent/CN204064903U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641968A (en) * | 2016-01-07 | 2016-06-08 | 中国原子能科学研究院 | Supercritical fluid complex reaction device with online spectrum monitoring function |
| CN105641968B (en) * | 2016-01-07 | 2018-04-17 | 中国原子能科学研究院 | A kind of supercritical fluid complex reaction device with online spectrum monitoring |
| CN107741423A (en) * | 2017-10-10 | 2018-02-27 | 中南大学 | The device of oxidation resistance under a kind of home position observation metallic high temperature atmosphere |
| CN107741423B (en) * | 2017-10-10 | 2020-02-04 | 中南大学 | Device for observing oxidation resistance of metal in high-temperature atmosphere in situ |
| CN110514612A (en) * | 2019-09-26 | 2019-11-29 | 吉林大学 | Absorption spectra under high pressure measuring system in situ |
| WO2023279859A1 (en) * | 2021-07-09 | 2023-01-12 | 齐鲁工业大学 | Device for monitoring gas hydrate generation and decomposition process at molecular level in-situ by using online infrared spectrometer, and use method of same |
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