CN105277505A - Infrared carbon and sulfur analyzer - Google Patents
Infrared carbon and sulfur analyzer Download PDFInfo
- Publication number
- CN105277505A CN105277505A CN201510872283.3A CN201510872283A CN105277505A CN 105277505 A CN105277505 A CN 105277505A CN 201510872283 A CN201510872283 A CN 201510872283A CN 105277505 A CN105277505 A CN 105277505A
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- temperature
- receiving tank
- sulfur analyzer
- infrared carbon
- infrared
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Abstract
The invention discloses an infrared carbon and sulfur analyzer provided with a constant-temperature device. The infrared carbon and sulfur analyzer comprises a receiving tank, wherein the receiving tank is connected with a gas inlet pipe and a gas outlet pipe; the infrared carbon and sulfur analyzer is internally provided with the constant-temperature device; the constant-temperature device comprises a heat preservation room, a heater and a temperature controller probe; the receiving tank, the temperature controller probe and the heater are arranged in the heat preservation room; and the heat preservation room is provided with holes for the gas inlet pipe and the gas outlet pipe to get in and out. The receiving tank is arranged in a constant-temperature environment so that on one hand, the influences on the receiving tank by the external environment are avoided, and on the other hand, a standard temperature in the receiving tank is improved; even if heat generated by an infrared light source in the receiving tank can increase the temperature in the receiving tank, the whole change of the temperature in the receiving tank is not great, so that the temperature change of analyzed gas flowing through the receiving tank is not great and the flow change is not great; and an electric signal fed by a pyroelectric sensor is relatively stable so that the long-period stability of the measurement of the infrared carbon and sulfur analyzer is improved.
Description
Technical field
The application relates to a kind of carbon and sulfur analytical instrument, particularly relates to a kind of infrared carbon sulfur analyzer being provided with thermostat.
Background technology
In domestic and international analysis of material, the analytical instrument of carbon, element sulphur composition has a variety of at present, wherein, carbon amounts and sulfur content is measured, the advantages such as infrared carbon sulfur analyzer has economy, environmental protection, analysis speed is fast, highly sensitive, measurement range is wide, be widely used owing to using infrared method.
A kind of high frequency infrared ray carbon sulphur analyser is described in the patent documentation of the patent No. 201120118182.4, its principle of work is: when sample is in Efco-Northrup furnace after heat fused, send into firing chamber, after combustion chambers burn, send into Infrared Carbon-sulphur analysis module, the carbon dioxide that acceptance pool reception burning sample in Infrared Carbon-sulphur analysis module obtains and sulfur dioxide gas, carbon dioxide is passed through with the infrared light of specific wavelength, after sulfur dioxide gas, produce strong light absorption, obtain the selective absorbing spectrogram of infrared band, again selective absorbing spectrogram is sent to computing machine, computing machine accordingly data in conjunction with temperature compensation module data, the carbon and sulphur contents in sample analyzed accordingly by computing machine, and obtain carbon dioxide through formula scales, the percentage composition of sulphuric dioxide, in conjunction with the example weight data obtained by electronic balance, thus indirectly can obtain the percentage composition of carbon sulphur in specimen material, degree of accuracy is high.Wherein, reception tank is the air chamber measuring system be made up of pyroelectric sensor, infrared light supply etc.
When infrared carbon sulfur analyzer measures carbon amounts and sulfur content, on the one hand, reception tank mid-infrared light source sends infrared ray, irradiates analytical gas, produces a large amount of heats simultaneously, cause the temperature in reception tank constantly to change; On the other hand, because the reception tank in existing infrared carbon sulfur analyzer is in normal temperature environment, carry out heat interchange with external environment, thus the temperature variation of external environment creates relative change to temperature in acceptance pool.The reason of these two aspects causes the temperature variation in acceptance pool, thus makes the analytical gas temperature variation flowing through reception tank, and flow also changes thereupon, and it is unstable that pyroelectric sensor feeds back the electric signal, thus the long-time stability causing test result are poor.
Summary of the invention
The technical matters that the application will solve is: on the one hand, and reception tank mid-infrared light source sends infrared ray, irradiates analytical gas, produces a large amount of heats simultaneously, cause the temperature in reception tank constantly to change; On the other hand, because the reception tank in existing infrared carbon sulfur analyzer is in normal temperature environment, carry out heat interchange with external environment, thus the temperature variation of external environment creates relative change to temperature in acceptance pool.The reason of these two aspects causes the temperature variation in acceptance pool, thus makes the analytical gas temperature variation flowing through reception tank, and flow also changes thereupon, and it is unstable that pyroelectric sensor feeds back the electric signal, thus the long-time stability causing test result are poor.
The concrete technical scheme of the application is: infrared carbon sulfur analyzer infrared carbon sulfur analyzer, comprise reception tank, described reception tank connects draft tube and escape pipe, in described infrared carbon sulfur analyzer, thermostat is set, thermostat comprises moist closet, well heater and thermostat probe, described reception tank, thermostat probe and well heater are all arranged in moist closet, and moist closet arranges the hole for draft tube and escape pipe turnover.After taking above structure, acceptance pool is in an isoperibol, and the temperature in isoperibol is higher relative to external environment, stop the impact of external environment on acceptance pool on the one hand, on the other hand, improve the reference temperature in acceptance pool, even if the heat that the infrared light supply in reception tank produces can increase the temperature in acceptance pool, but the temperature entire change in acceptance pool is little, thus make the analytical gas temperature variation flowing through acceptance pool little, fluctuations in discharge is little, it is relatively stable that pyroelectric sensor feeds back the electric signal, thus improve the long-time stability of the measurement of infrared carbon sulfur analyzer.
Further, moist closet arranges electric fan, along electric fan blowing direction, well heater, reception tank and thermostat probe are set in moist closet successively.Fan is set, expands air flowing, be conducive to the homogeneous temperature in moist closet, after thermostat probe is arranged on reception tank, the temperature in moist closet can be detected accurately.
Further, insulating tube is arranged with outside described draft tube and escape pipe.Take this structure, when object is to make the temperature of analytical gas to enter reception tank after flowing through tracheae, temperature is relatively stable.
Be compared with the prior art, the application's beneficial effect is: acceptance pool is in an isoperibol, and the temperature in isoperibol is higher relative to external environment, stop the impact of external environment on acceptance pool on the one hand, on the other hand, improve the reference temperature in acceptance pool, even if the heat that the infrared light supply in reception tank produces can increase the temperature in acceptance pool, but the temperature entire change in acceptance pool is little, thus make the analytical gas temperature variation flowing through acceptance pool little, fluctuations in discharge is little, it is relatively stable that pyroelectric sensor feeds back the electric signal, thus improve the long-time stability of the measurement of infrared carbon sulfur analyzer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the application.
Embodiment
Integrated structure schematic diagram, carries out following explanation to the application's embodiment.
Infrared carbon sulfur analyzer, comprise reception tank 2, described reception tank 2 connects draft tube 7 and escape pipe 6, in described infrared carbon sulfur analyzer, arrange thermostat, and described air chamber thermostat comprises moist closet 1, to the well heater 3 of moist closet 1 heat supply and thermostat probe 4; Described reception tank 2, thermostat probe 4 and well heater 3 are all arranged in moist closet 1, and moist closet 1 arranges the hole passed in and out for draft tube 7 and escape pipe 6.Heated by well heater, improve the temperature of moist closet, thermostat probe 4 is by the electric signal of temperature sensor input well heater 3, when the temperature of moist closet reaches design temperature, well heater disconnects automatically, when the temperature of moist closet is lower than design temperature, well heater is opened automatically, and design temperature can be 40 degrees Celsius.Preferably, moist closet 1 arranges electric fan 5, along electric fan 5 blowing direction, well heater 3, reception tank 2 and thermostat probe 4 are set in moist closet 1 successively, the heat that this spline structure makes well heater and heat of light source produce dispels whole moist closet, thus the uniformity of temperature profile in moist closet, the heat that simultaneously also can alleviate infrared light supply generation further causes the too high de-stabilising effect brought of the local temperature in reception tank.Preferably, insulating tube 8 is arranged with outside described draft tube 7 and escape pipe 6.Take this structure, when object is to make the temperature of analytical gas to enter reception tank after flowing through tracheae, temperature is relatively stable, is conducive to the stability of testing.
Claims (3)
1. infrared carbon sulfur analyzer, comprise reception tank, described reception tank connects draft tube and escape pipe, it is characterized in that, in described infrared carbon sulfur analyzer, thermostat is set, thermostat comprises moist closet, well heater and thermostat probe, and described reception tank, thermostat probe and well heater are all arranged in moist closet, and moist closet arranges the hole for draft tube and escape pipe turnover.
2. infrared carbon sulfur analyzer according to claim 1, is characterized in that, moist closet arranges electric fan, along electric fan blowing direction, arranges well heater, reception tank and thermostat probe successively in moist closet.
3. the infrared carbon sulfur analyzer according to claims 1 or 2, is characterized in that, is arranged with insulating tube outside described draft tube and escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872283.3A CN105277505A (en) | 2015-12-02 | 2015-12-02 | Infrared carbon and sulfur analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872283.3A CN105277505A (en) | 2015-12-02 | 2015-12-02 | Infrared carbon and sulfur analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105277505A true CN105277505A (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510872283.3A Pending CN105277505A (en) | 2015-12-02 | 2015-12-02 | Infrared carbon and sulfur analyzer |
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| CN (1) | CN105277505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444068A (en) * | 2018-12-29 | 2019-03-08 | 郎溪杰博电器科技有限公司 | A kind of Fuzzy Predictive Control analysis system of infrared carbon sulfur analyzer |
-
2015
- 2015-12-02 CN CN201510872283.3A patent/CN105277505A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444068A (en) * | 2018-12-29 | 2019-03-08 | 郎溪杰博电器科技有限公司 | A kind of Fuzzy Predictive Control analysis system of infrared carbon sulfur analyzer |
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| PB01 | Publication | ||
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Application publication date: 20160127 |