CN201780270U - High-temperature heating stage of laser Raman spectrum for measuring volatile fused salts - Google Patents
High-temperature heating stage of laser Raman spectrum for measuring volatile fused salts Download PDFInfo
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- CN201780270U CN201780270U CN2010201915486U CN201020191548U CN201780270U CN 201780270 U CN201780270 U CN 201780270U CN 2010201915486 U CN2010201915486 U CN 2010201915486U CN 201020191548 U CN201020191548 U CN 201020191548U CN 201780270 U CN201780270 U CN 201780270U
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Abstract
The utility model relates to a high-temperature heating stage of a laser Raman spectrum, in particular to the high-temperature heating stage of a laser Raman spectrum for measuring volatile fused salts. The high-temperature heating stage comprises a stage body, a stage cover, a quartz cover piece, an alumina cover piece, a crucible and a platinum electric heating wire, wherein an inlet channel and an exhaust channel are arranged on the wall surface of the stage body and are distributed on two sides of the crucible in a sprayed shape; the air inlet channel is connected with an air outlet pipe of an air-conditioning system; and the exhaust channel is connected with an air inlet pipe of the air-conditioning system. By arranging the air inlet channel and the exhaust channel on the wall surface of the body of the high-temperature heating stage and arranging air valves in the air inlet channel and the exhaust channel, the utility model realizes the sweeping on the quartz cover piece by air, prevents the volatile fused salts from being crystallized on the quartz cover piece and benefits the real-time detection of the laser Raman spectrum on the volatile fused salts under high temperature. In addition, the high-temperature heating stage has simple structure and low reforming cost.
Description
Technical field
The utility model relates to a kind of high-temperature stage of laser Raman spectroscopy, relates in particular to a kind of high-temperature stage that is used to measure the laser Raman spectroscopy of volatile molten salt.
Background technology
At present, at the real-time detection range of high temperature Raman, it is very general that high-temperature stage is used in Raman spectrum.High-temperature stage can be heated to different temperature to sample, by the spectrogram of Raman spectrum test sample under different temperatures, makes people can obtain the molecular structure information of sample under different temperatures.The high-temperature stage structure of existing laser Raman spectroscopy comprises stage body, Tai Gai, quartzy cover plate, crucible, aluminium oxide cover plate and platinum heating wire as shown in Figure 1 and Figure 2; The stage body upper end open, the stage body openend is provided with quartzy cover plate, and stage body and quartzy cover plate constitute obturator, and quartzy cover plate upper end is provided with the platform lid that is used for fixing quartzy cover plate, and stage body is threaded with Tai Gai, and platform lid middle part has through hole, and through-hole diameter is 10～30mm; The stage body inner bottom surface is provided with crucible, described crucible upper end open, the crucible openend is provided with the aluminium oxide cover plate, aluminium oxide cover plate upper surface middle part has through hole, aluminium oxide cover plate central through hole diameter is 2mm, sample places in the alumina crucible, and wherein the through hole center of alumina crucible center, aluminium oxide cover plate, quartzy cover plate through hole center keep point-blank.The wall of crucible is two-layer shell structure, is wound with the platinum heating wire in the middle of the two-layer housing, and described platinum heating wire is connected with the output terminal of the outside intensification temperature-controlling system of stage body; Stage body wall upper edge stage body circumferencial direction has the recirculated cooling water passage that is used to cool off stage body, the water inlet of recirculated cooling water passage links to each other with the rising pipe of recirculating cooling water system, and the water delivering orifice of recirculated cooling water passage links to each other with the oral siphon of recirculating cooling water system.
During test sample, the through hole that laser sees through quartzy cover plate and aluminium oxide cover plate center focuses on the sample.The first quartzy cover plate is a transparency material, can not hinder the focusing of laser facula, does not therefore have through hole on the quartzy cover plate.
The high-temperature stage shortcoming of existing laser Raman spectroscopy is: if detected sample at high temperature has volatile matter to produce, volatile matter can enter in the stage body chamber by the through hole of aluminium oxide cover plate, because the temperature of quartzy cover plate is lower than the alumina crucible internal temperature, volatile matter runs into the low quartzy cover plate of temperature and will crystallization take place and be bonded on the quartzy cover plate.When crystal was too much, the crystal on the quartzy cover plate will hinder the focusing of laser facula, thereby made the spectrogram of laser Raman spectroscopy detection less than sample, also can't detect the spectrogram of sample at higher temperature.
The utility model content
Technical problem to be solved in the utility model provides a kind of high-temperature stage that is used to measure the laser Raman spectroscopy of volatile molten salt.Under the condition of high temperature, this device can prevent the crystallization of volatile molten salt on quartzy cover plate, helps the focusing of laser facula, is convenient to laser Raman spectroscopy at high temperature to the real-time detection of volatile molten salt.
For achieving the above object, a kind of high-temperature stage that is used to measure the laser Raman spectroscopy of volatile molten salt described in the utility model comprises stage body, Tai Gai, quartzy cover plate, aluminium oxide cover plate, crucible and platinum heating wire; Described stage body upper end open, the stage body openend is provided with quartzy cover plate, and stage body and quartzy cover plate constitute obturator, and described quartzy cover plate upper end is provided with the platform lid that is used for fixing quartzy cover plate, and stage body is threaded with Tai Gai, and platform lid middle part has through hole; Described stage body inner bottom surface is provided with crucible, described crucible upper end open, the crucible openend is provided with the aluminium oxide cover plate, described aluminium oxide cover plate upper surface middle part has through hole, the wall of crucible is two-layer shell structure, be wound with the platinum heating wire in the middle of the two-layer housing, described platinum heating wire is connected with the output terminal of the outside intensification temperature-controlling system of stage body; Described stage body bottom has the recirculated cooling water passage along the stage body circumferencial direction, the water inlet of recirculated cooling water passage links to each other with the rising pipe of recirculating cooling water system, the water delivering orifice of recirculated cooling water passage links to each other with the oral siphon of recirculating cooling water system, also have inlet channel and exhaust passage on the described stage body wall, described inlet channel becomes " eight " font to be distributed in the crucible both sides with the exhaust passage, inlet channel links to each other with the discharge pipe of air-conditioning system, and the exhaust passage links to each other with the Gas inlet tube of air-conditioning system.
Described inlet channel and inside, exhaust passage are respectively equipped with air-valve, and the signal input part of air-valve links to each other with the signal output part of wind valve controller, and the signal input part of wind valve controller links to each other with the crucible internal temperature sensor.
Described inlet channel and stage body interior sidewall surface be α at angle, and the α angle is 20 °≤α≤40 °.
Described exhaust passage and stage body interior sidewall surface be β at angle, and the β angle is 20 °≤β≤40 °.
The beneficial effects of the utility model are, the utility model is by offering inlet channel and exhaust passage on the stage body wall of laser Raman spectroscopy high-temperature stage, and in inlet channel and exhaust passage, air-valve is set, realized the purging of gas to quartzy cover plate, prevented volatile molten salt crystallization on quartzy this sheet, helped under the high temperature laser Raman spectroscopy having the real-time detection of effumability lava.In addition, can regulate at the open amount of the utility model stroke valve, this helps the adjusting of stage body interior gas amount.In addition, the utility model is simple in structure, and improvement cost is low.
Description of drawings
Fig. 1 is the schematic top plan view of the high-temperature stage of existing laser Raman spectroscopy;
Fig. 2 is the inner structure synoptic diagram of the high-temperature stage of existing laser Raman spectroscopy;
Fig. 3 is used to measure the inner structure synoptic diagram of the laser Raman spectroscopy high-temperature stage of volatile molten salt for the utility model.
Among the figure: 1 stage body, 2 lids, 3 quartzy cover plates, 4 aluminium oxide cover plates, 5 air-valves, 6 inlet channels, 7 water inlets, 8 crucibles, 9 platinum heating wire, 10 water delivering orifices, 11 exhaust passages.
Embodiment
Below in conjunction with embodiment the utility model is further described.
As shown in Figure 3, a kind of high-temperature stage that is used to measure the laser Raman spectroscopy of volatile molten salt comprises stage body 1, platform lid 2, quartzy cover plate 3, aluminium oxide cover plate 4, crucible 8 and platinum heating wire 9; Described stage body 1 upper end open, stage body 1 openend is provided with quartzy cover plate 3, and stage body 1 constitutes obturator with quartzy cover plate 3, and described quartzy cover plate 3 upper ends are provided with the platform lid 2 that is used for fixing quartzy cover plate 3, and stage body 1 is threaded with platform lid 2, and platform covers 2 middle parts and has through hole; Described stage body 1 inner bottom surface is provided with crucible 8, described crucible 8 upper end open, crucible 8 openends are provided with aluminium oxide cover plate 4, described aluminium oxide cover plate 4 upper surface middle part have through hole, the wall of crucible 8 is two-layer shell structure, be wound with platinum heating wire 9 in the middle of the two-layer housing, described platinum heating wire 9 is connected with the output terminal of stage body 1 outside intensification temperature-controlling system; Described stage body 1 bottom has the recirculated cooling water passage along stage body 1 circumferencial direction, the water inlet 7 of recirculated cooling water passage links to each other with the rising pipe of recirculating cooling water system, the water delivering orifice 10 of recirculated cooling water passage links to each other with the oral siphon of recirculating cooling water system, also have inlet channel 6 and exhaust passage 11 on described stage body 1 wall, described inlet channel 6 is distributed in crucible 8 both sides with 11 one-tenth of exhaust passages " eight " font, described inlet channel 6 and stage body 1 interior sidewall surface be α at angle, the α angle is 20 °, described exhaust passage 11 and stage body 1 interior sidewall surface be β at angle, the β angle is 20 °, described inlet channel 6 links to each other with the discharge pipe of air-conditioning system, and exhaust passage 11 links to each other with the Gas inlet tube of air-conditioning system.Described inlet channel 6 and 11 inside, exhaust passage are respectively equipped with air-valve 5, and the signal input part of air-valve 5 links to each other with the signal output part of air-valve 5 controllers, and the signal input part of air-valve 2 controllers links to each other with crucible 8 internal temperature sensors.
The utility model is in when work, and when temperature were far below the volatilization temperature of volatile molten salt in the crucible 8, volatile molten salt can not volatilize, and therefore closes air-valve 5 and air-conditioning system, do not have in the inlet air flue distinguished and admirablely to go into, and do not have in the outlet air flue distinguished and admirablely to go out; Near the volatilization temperature of volatile molten salt the time, volatile molten salt begins volatilization gradually, opens air-valve 5 and air-conditioning system, in air-valve 5 opening procedures, according to the size of height decision air-valve 5 open amounts of temperature in the crucible 8.During near the volatilization temperature of volatile molten salt, the amount of volatilization is few, and air-valve 5 open amounts are little, has in the inlet air flue distinguished and admirablely to go on a small quantity, has in the outlet air flue distinguished and admirablely to go out on a small quantity, and wind begins quartzy cover plate 3 is purged, and prevents that the volatile molten salt crystallization is on quartzy cover plate 3.When temperature were far above the volatilization temperature of volatile molten salt in the crucible 8, the amount of volatilization was many, and air-valve 5 open amounts are big, had in the inlet air flue distinguished and admirablely to go in a large number, had in the outlet air flue distinguished and admirablely to go out in a large number, and wind begins quartzy cover plate 3 is purged fast.
Embodiment 2
Referring to Fig. 3, a kind of high-temperature stage that is used to measure the laser Raman spectroscopy of volatile molten salt, the difference of embodiment 2 and embodiment 1 is described inlet channel 6 and stage body 1 interior sidewall surface α at angle, the α angle is 30 °, described exhaust passage 11 and stage body 1 interior sidewall surface be β at angle, and the β angle is 30 °.
Still referring to Fig. 3, a kind of high-temperature stage that is used to measure the laser Raman spectroscopy of volatile molten salt, the difference of embodiment 3 and embodiment 1 is described inlet channel 6 and stage body 1 interior sidewall surface α at angle, the α angle is 40 °, described exhaust passage 11 and stage body 1 interior sidewall surface be β at angle, and the β angle is 40 °.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the purpose of this utility model, and be not as the time qualification of the present utility model, as long as in the technical solution of the utility model scope, all will drop in the scope of claim of the present utility model any simple modification, equivalent variations and the modification that the above embodiment did.
Claims (4)
1. a laser Raman spectroscopy high-temperature stage that is used to measure volatile molten salt comprises stage body (1), platform lid (2), quartzy cover plate (3), aluminium oxide cover plate (4), crucible (8) and platinum heating wire (9);
Described stage body (1) upper end open, stage body (1) openend is provided with quartzy cover plate (3), stage body (1) constitutes obturator with quartzy cover plate (3), described quartzy cover plate (3) upper end is provided with the platform lid (2) that is used for fixing quartzy cover plate (3), stage body (1) is threaded with platform lid (3), and platform lid (2) middle part has through hole;
Described stage body (1) inner bottom surface is provided with crucible (8), described crucible (8) upper end open, crucible (8) openend is provided with aluminium oxide cover plate (4), described aluminium oxide cover plate (4) upper surface middle part has through hole, the wall of crucible (8) is two-layer shell structure, be wound with platinum heating wire (9) in the middle of the two-layer housing, described platinum heating wire (9) is connected with the output terminal of the outside intensification temperature-controlling system of stage body (1);
Described stage body (1) bottom has the recirculated cooling water passage along stage body (1) circumferencial direction, the water inlet of recirculated cooling water passage (7) links to each other with the rising pipe of recirculating cooling water system, the water delivering orifice of recirculated cooling water passage (8) links to each other with the oral siphon of recirculating cooling water system, it is characterized in that:
Also have inlet channel (6) and exhaust passage (11) on described stage body (1) wall, described inlet channel (6) becomes " eight " font to be distributed in crucible (8) both sides with exhaust passage (11), inlet channel (6) links to each other with the discharge pipe of air-conditioning system, and exhaust passage (11) link to each other with the Gas inlet tube of air-conditioning system.
2. the laser Raman spectroscopy high-temperature stage that is used to measure volatile molten salt according to claim 1, it is characterized in that: described inlet channel (6) and inside, exhaust passage (11) are respectively equipped with air-valve (5), the signal input part of air-valve (5) links to each other with the signal output part of wind valve controller, and the signal input part of wind valve controller links to each other with crucible (8) internal temperature sensor.
3. the laser Raman spectroscopy high-temperature stage that is used to measure volatile molten salt according to claim 1 and 2 is characterized in that: described inlet channel (6) and stage body (1) interior sidewall surface be α at angle, and the α angle is 20 °≤α≤40 °.
4. the laser Raman spectroscopy high-temperature stage that is used to measure volatile molten salt according to claim 1 and 2 is characterized in that: described exhaust passage (11) and stage body (1) interior sidewall surface be β at angle, and the β angle is 20 °≤β≤40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201915486U CN201780270U (en) | 2010-05-13 | 2010-05-13 | High-temperature heating stage of laser Raman spectrum for measuring volatile fused salts |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201915486U CN201780270U (en) | 2010-05-13 | 2010-05-13 | High-temperature heating stage of laser Raman spectrum for measuring volatile fused salts |
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| CN201780270U true CN201780270U (en) | 2011-03-30 |
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| CN2010201915486U Expired - Fee Related CN201780270U (en) | 2010-05-13 | 2010-05-13 | High-temperature heating stage of laser Raman spectrum for measuring volatile fused salts |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045787A (en) * | 2013-01-21 | 2013-04-17 | 重庆大学 | Method and device for observing growth process of iron whiskers on surfaces of iron ore powder particles |
| CN103674928A (en) * | 2013-12-23 | 2014-03-26 | 中国科学院合肥物质科学研究院 | SERS (surface enhanced Raman scattering) device, as well as preparing method and application thereof |
| CN106990094A (en) * | 2017-05-11 | 2017-07-28 | 华东理工大学 | The situ Raman Spectroscopy measuring method and measurement apparatus of vaporization at high temperature corrosivity fused salt |
| CN108254315A (en) * | 2018-02-05 | 2018-07-06 | 深圳大学 | Raman spectrometer sample stage and its measuring method |
| CN105738344B (en) * | 2016-04-26 | 2018-08-28 | 东北大学 | A kind of electrochemical in-situ raman spectroscopy measurement microscopic heating stand and sample cell system |
| CN111855885A (en) * | 2020-08-26 | 2020-10-30 | 重庆渝微电子技术研究院有限公司 | High-temperature high-pressure cooling and heating table |
-
2010
- 2010-05-13 CN CN2010201915486U patent/CN201780270U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045787A (en) * | 2013-01-21 | 2013-04-17 | 重庆大学 | Method and device for observing growth process of iron whiskers on surfaces of iron ore powder particles |
| CN103045787B (en) * | 2013-01-21 | 2014-09-10 | 重庆大学 | Method and device for observing growth process of iron whiskers on surfaces of iron ore powder particles |
| CN103674928A (en) * | 2013-12-23 | 2014-03-26 | 中国科学院合肥物质科学研究院 | SERS (surface enhanced Raman scattering) device, as well as preparing method and application thereof |
| CN105738344B (en) * | 2016-04-26 | 2018-08-28 | 东北大学 | A kind of electrochemical in-situ raman spectroscopy measurement microscopic heating stand and sample cell system |
| CN106990094A (en) * | 2017-05-11 | 2017-07-28 | 华东理工大学 | The situ Raman Spectroscopy measuring method and measurement apparatus of vaporization at high temperature corrosivity fused salt |
| CN108254315A (en) * | 2018-02-05 | 2018-07-06 | 深圳大学 | Raman spectrometer sample stage and its measuring method |
| CN108254315B (en) * | 2018-02-05 | 2019-05-14 | 深圳大学 | Raman spectrometer sample stage and its measurement method |
| WO2019148824A1 (en) * | 2018-02-05 | 2019-08-08 | 深圳大学 | Raman spectrometer sample stage and detecting method thereof |
| CN111855885A (en) * | 2020-08-26 | 2020-10-30 | 重庆渝微电子技术研究院有限公司 | High-temperature high-pressure cooling and heating table |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20110513 |