CN211955206U - Carbon-sulfur double-furnace analysis structure - Google Patents
Carbon-sulfur double-furnace analysis structure Download PDFInfo
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- CN211955206U CN211955206U CN202020700949.3U CN202020700949U CN211955206U CN 211955206 U CN211955206 U CN 211955206U CN 202020700949 U CN202020700949 U CN 202020700949U CN 211955206 U CN211955206 U CN 211955206U
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Abstract
The utility model relates to an infrared analyzer technical field, concretely relates to two stove analysis structure of carbon sulphur, including sample combustion system, infrared detecting system and computer acquisition system, be equipped with the furnace body that is used for carrying out the burning to the sample among the sample combustion system, be equipped with the carbon pond that is used for detecting carbon content among the infrared detecting system and be used for detecting the sulphur pond of sulphur content, the furnace body is including parallelly connected high-frequency combustion furnace and the tubular furnace who sets up, and the carbon pond includes low carbon pond and high carbon pond, and the volume in low carbon pond is greater than the volume in high carbon pond, and the sulphur pond includes low sulphur pond and high sulphur pond, the volume in low sulphur pond is greater than the volume in high sulphur pond. Through set up parallelly connected high-frequency combustion furnace and tubular furnace in sample combustion system to can be when examining the sample, can guarantee the abundant burning of sample in the furnace body according to the different furnace bodies of reasonable selection difference of sample kind attribute on the one hand, on the other hand can carry out the contrast test, and it is different to get rid of the testing result that the sample combustion mode is different and lead to.
Description
Technical Field
The utility model relates to an infrared analyzer technical field, concretely relates to carbon sulphur duplex furnace analysis structure.
Background
The infrared carbon and sulfur analyzer is used for detecting CO2And SO2Analysis of carbon-sulfur element in substance by infrared radiation absorption (absorbance) of gasThe content of the element. According to the Lambert beer law, the absorbance is in direct proportion to the concentration and the absorption thickness of the light absorption substance, the analysis precision is high, the operation is convenient, and the method is favored by more and more users. The existing infrared carbon and sulfur analyzer comprises a sample combustion system, an infrared detection system and a computer acquisition system, wherein the sample combustion system is used for enabling a sample to be fully combusted in oxygen and generating a gas to be detected, a furnace body used for combusting the sample is arranged in the sample combustion system, the infrared detection system is used for detecting the carbon content and the sulfur content in the gas to be detected, a carbon pool used for detecting the carbon content and a sulfur pool used for detecting the sulfur content are arranged in the infrared detection system, the computer acquisition system is used for acquiring and displaying the detection results of the carbon content and the sulfur content in the infrared detection system, but in practice, the detection results sometimes have extremely high or extremely low element content, so that when elements with extremely high content pass through the carbon pool or the sulfur pool, the detection limit is often reached very easily, and the detection results of the element content are influenced, and meanwhile, when elements with extremely low content pass through the carbon pool or the sulfur pool, the detection precision of the elements is influenced. At present, a furnace body is only used for burning the sample, so that the factors of sufficient burning of the sample are often ignored when a comparison test is carried out, and certain influence is also caused on result judgment.
For example, the utility model with the patent application number of CN201720156813.9 discloses a high-frequency infrared carbon and sulfur analyzer, which can arrange an analysis chamber in a shielded thermostat, and maintain the combustion temperature of a sample in a high-frequency combustion furnace, so that the conversion rate of carbon and sulfur elements is high, and the accuracy of the test is improved; the light intensity corresponding to the concentration of the carbon dioxide and the sulfur dioxide gas detected by the detector is amplified by the preamplifier, and the optical filter is arranged to filter the interference of other light radiation energy, so that the test and the test accuracy are further facilitated.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a combustion method is optional, and the bigger carbon and sulfur double-furnace analysis structure of carbon and sulfur detection range.
The utility model adopts the technical proposal that: a carbon-sulfur double-furnace analysis structure comprises a sample combustion system, an infrared detection system and a computer acquisition system, the sample combustion system is used for enabling a sample to be fully combusted in oxygen and generating gas to be detected, a furnace body used for combusting the sample is arranged in the sample combustion system, the infrared detection system is used for detecting the carbon content and the sulfur content in the gas to be detected, a carbon pool for detecting the carbon content and a sulfur pool for detecting the sulfur content are arranged in the infrared detection system, the computer acquisition system is used for acquiring and displaying the detection results of the carbon content and the sulfur content in the infrared detection system, the furnace body comprises a high-frequency combustion furnace and a tubular furnace which are arranged in parallel, the carbon pool comprises a low-carbon pool and a high-carbon pool, the volume of the low-carbon pool is larger than that of the high-carbon pool, the sulfur pool comprises a low-sulfur pool and a high-sulfur pool, and the volume of the low-sulfur pool is larger than that of the high-sulfur pool.
The above analysis structure for a carbon-sulfur dual furnace further includes that the sample combustion system includes a high-frequency combustion furnace, a tubular furnace, an oxygen system, a pressure reducing valve, and a total oxygen valve, the inlet end of the high-frequency combustion furnace is provided with a combustion furnace inlet valve, the outlet end of the high-frequency combustion furnace is provided with a combustion furnace outlet valve, the inlet end of the tubular furnace is provided with a tubular inlet valve, the outlet end of the tubular furnace is provided with a tubular outlet valve, the outlet of the oxygen system is connected to the inlet of the pressure reducing valve, the outlet of the pressure reducing valve is connected to the inlet of the total oxygen valve, the outlet of the total oxygen valve is respectively connected to the inlet of the combustion furnace inlet valve and the inlet of the tubular inlet valve, and the outlet of the combustion furnace outlet valve and the outlet of.
The above analysis structure for a carbon-sulfur dual furnace further includes a branch flow guide pipe, an inlet of the branch flow guide pipe is connected to an outlet of the total oxygen valve, and an outlet of the branch flow guide pipe is connected to an outlet of the combustion furnace outlet valve.
The above analysis structure of a carbon-sulfur dual furnace further includes that the infrared detection system includes a tail gas purification module, a low-carbon tank, a high-carbon tank, a low-sulfur tank, a high-sulfur tank, and an infrared detection assembly, an inlet of the high-carbon tank is connected to an outlet of a combustion furnace outlet valve, an outlet of the high-carbon tank is connected to an inlet of the low-carbon tank, an outlet of the low-carbon tank is connected to an inlet of the high-sulfur tank, an outlet of the high-sulfur tank is connected to an inlet of the low-sulfur tank, and an outlet of the low-sulfur tank is connected to the tail gas purification module.
The above analysis structure for a carbon-sulfur double furnace further includes that a cleaning pipe and a cleaning valve are further disposed in the infrared detection system, an inlet of the cleaning pipe is connected to an outlet of the pressure reducing valve, an outlet of the cleaning pipe is connected to an inlet of the cleaning valve, and an outlet of the cleaning valve is connected to an inlet of the high carbon tank.
The above analysis structure for a carbon-sulfur double-furnace is further described in that the infrared detection assembly includes a plurality of independent infrared detection units, the infrared detection units respectively correspond to the low-carbon pool, the high-carbon pool, the low-sulfur pool and the high-sulfur pool one by one, the infrared detection units are sequentially provided with an infrared light source, a modulation disc, an optical filter, an infrared detector and a preamplifier from left to right, and the low-carbon pool, the high-carbon pool, the low-sulfur pool and the high-sulfur pool are respectively disposed between the modulation disc and the optical filter.
The utility model has the advantages that: 1. the high-frequency combustion furnace and the tubular furnace which are connected in parallel are arranged in the sample combustion system, so that when a sample is detected, on one hand, different furnace bodies can be reasonably selected according to different sample type attributes to ensure the sufficient combustion of the sample in the furnace bodies, and on the other hand, a comparison test can be carried out to eliminate different detection results caused by different sample combustion modes; 2. the carbon pool is set into the low-carbon pool and the high-carbon pool, the sulfur pool is set into the low-sulfur pool and the high-sulfur pool, the detection range can be improved through the low-carbon pool and the high-carbon pool, when the carbon concentration in the gas to be detected is very low, the low-carbon pool can be used for detection, and when the carbon concentration in the gas to be detected is very high, the high-carbon pool can be used for detection, so that the detection and analysis precision and the detection and analysis range can be improved, namely, the existing carbon pool is divided into two, and the detection upper limit and the detection lower limit of the carbon pool or the sulfur pool are improved; 3. the branch flow guide pipe can drive the gas after reaction in the furnace body to flow to the infrared detection system, can effectively overcome the phenomenon of 'cutoff' in the combustion process of a sample, and ensure that the gas flow entering the infrared detection is constant, thereby ensuring the normal operation of the infrared detection; 4. through the arranged cleaning pipe, the structure can be cleaned before the sample is detected, so that the gas left after the last detection is completely discharged, and the sample detection precision of the structure is improved; 5. through setting up infrared detection subassembly into a plurality of independent infrared detecting element to when needs which item detected information, just can independently acquire, and can acquire multiple detected information simultaneously, make the testing process more convenient, very have fine practicality and marketing nature.
Drawings
Fig. 1 is a block diagram illustrating the structural principle of the present invention.
Fig. 2 is the schematic view of the gas circuit structure of the present invention.
In the figure: 1. a high-frequency combustion furnace; 2. a tube furnace; 3. a low carbon pond; 4. a high carbon pond; 5. a low sulfur pool; 6. a high sulfur pond; 7. an oxygen system; 8. a pressure reducing valve; 9. a total oxygen valve; 10. a furnace inlet valve; 11. a furnace outlet valve; 12. a tubular inlet valve; 13. a tubular outlet valve; 14. a branch flow guide pipe; 15. a tail gas purification module; 16. cleaning the tube; 17. cleaning the valve; 18. an infrared detection unit; 1801. an infrared light source; 1802. a chopper wheel; 1803. an optical filter; 1804. an infrared detector; 1805. a preamplifier.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1 and fig. 2, the carbon-sulfur double-furnace analysis structure provided by this embodiment includes a sample combustion system, an infrared detection system, and a computer collection system, where the sample combustion system is used to make a sample burn sufficiently in oxygen and generate a gas to be detected, the sample combustion system is provided with a furnace body for burning the sample, the furnace body includes a high-frequency combustion furnace 1 and a tubular furnace 2 which are arranged in parallel, and by arranging the high-frequency combustion furnace 1 and the tubular furnace 2 in parallel in the sample combustion system, when detecting the sample, on one hand, different furnace bodies can be reasonably selected according to different sample type attributes to ensure sufficient combustion of the sample in the furnace body, and on the other hand, a comparison test can be performed to exclude different detection results caused by different sample combustion modes.
Preferably, the sample combustion system comprises a high-frequency combustion furnace 1, a tubular furnace 2, an oxygen system 7, a pressure reducing valve 8 and a total oxygen valve 9, wherein a combustion furnace inlet valve 10 is arranged at the inlet end of the high-frequency combustion furnace 1, a combustion furnace outlet valve 11 is arranged at the outlet end of the high-frequency combustion furnace 1, a tubular inlet valve 12 is arranged at the inlet end of the tubular furnace 2, a tubular outlet valve 13 is arranged at the outlet end of the tubular furnace 2, an outlet of the oxygen system 7 is connected with an inlet of the pressure reducing valve 8, an outlet of the pressure reducing valve 8 is connected with an inlet of the total oxygen valve 9, outlets of the total oxygen valve 9 are respectively connected with an inlet of the combustion furnace inlet valve 10 and an inlet of the tubular inlet valve 12, and an outlet of the combustion furnace outlet valve 11 and an outlet of. When the high-frequency combustion furnace 1 needs to be used, the high-frequency combustion furnace 1 can be fully combusted in the high-frequency combustion furnace 1 only by opening the combustion furnace inlet valve 10 and the combustion furnace outlet valve 11 on two sides of the high-frequency combustion furnace 1 and closing the tubular inlet valve 12 and the tubular outlet valve 13 on two sides of the tubular furnace 2, so as to effectively overcome the phenomenon of 'flow break' in the combustion process of the sample and ensure that the airflow entering the infrared detection system is constant, thereby ensuring the normal operation of the infrared detection, a branch flow guide pipe 14 can be arranged in the sample combustion system, the inlet of the branch flow guide pipe 14 is connected with the outlet of the total oxygen valve 9, and the outlet of the branch flow guide pipe 14 is connected with the outlet of the combustion furnace outlet valve 11, which is only a; similarly, when the tube furnace 2 is needed, the sample can be fully combusted in the tube furnace 2 by closing the furnace inlet valve 10 and the furnace outlet valve 11 on both sides of the high-frequency furnace 1 and opening the tube inlet valve 12 and the tube outlet valve 13 on both sides of the tube furnace 2.
As shown in fig. 1 and 2, the infrared detection system is configured to detect carbon content and sulfur content in a gas to be detected, a carbon pool for detecting carbon content and a sulfur pool for detecting sulfur content are provided in the infrared detection system, the carbon pool includes a low carbon pool 3 and a high carbon pool 4, a volume of the low carbon pool 3 is greater than a volume of the high carbon pool 4, the sulfur pool includes a low sulfur pool 5 and a high sulfur pool 6, and a volume of the low sulfur pool 5 is greater than a volume of the high sulfur pool 6. Through setting up the carbon pond into low carbon pond 3 and high carbon pond 4, set up the sulphur pond into low sulphur pond 5 and high sulphur pond 6, thereby can improve the detection range through low carbon pond 3 and the high carbon pond 4 that set up, when waiting to detect gaseous medium carbon concentration when very low, can use low carbon pond 3 to detect, when waiting to detect gaseous medium carbon concentration very high, can use high carbon pond 4 to detect, can improve the precision and the detection and analysis scope of detection and analysis like this, be equivalent to divide into two with a current carbon pond, the detection upper limit and the detection lower limit in carbon pond or sulphur pond have been improved, concrete theory of operation is: the volume of low carbon pond 3 is greater than the volume of high carbon pond 4, thereby the same volume wait to detect gaseous through low carbon pond 3 and high carbon pond 4, the lower the carbon concentration in low carbon pond 3, the higher the carbon concentration in high carbon pond 4, when waiting to detect gaseous carbon concentration when very low, can use low carbon pond 3 to detect, when waiting to detect gaseous carbon concentration when very high, can use high carbon pond 4 to detect, can improve the detection precision like this, avoided because the too high or low detection error who causes of carbon element content.
The infrared detection system comprises a tail gas purification module 15, a low-carbon pool 3, a high-carbon pool 4, a low-sulfur pool 5, a high-sulfur pool 6 and an infrared detection assembly, wherein an inlet of the high-carbon pool 4 is connected with an outlet of a combustion furnace outlet valve 11, namely is also connected with an outlet of a tubular outlet valve 13, an outlet of the high-carbon pool 4 is connected with an inlet of the low-carbon pool 3, an outlet of the low-carbon pool 3 is connected with an inlet of the high-sulfur pool 6, an outlet of the high-sulfur pool 6 is connected with an inlet of the low-sulfur pool 5, an outlet of the low-sulfur pool 5 is connected with the tail gas purification module 15, and the tail gas purification module 15 is used for purifying gas to be detected so as to avoid directly discharging polluted ambient.
Further, a cleaning pipe 16 and a cleaning valve 17 may be disposed in the infrared detection system, an inlet of the cleaning pipe 16 is connected to an outlet of the pressure reducing valve 8, an outlet of the cleaning pipe 16 is connected to an inlet of the cleaning valve 17, and an outlet of the cleaning valve 17 is connected to an inlet of the high carbon tank 4. Through the purge tube 16 that sets up, can wash this structure before detecting the sample to the gas that will detect the left over last time is discharged completely, thereby has increased the sample detection precision of this structure.
As shown in fig. 1, the infrared detection assembly may be provided as a plurality of independent infrared detection units 18, the infrared detection units 18 correspond to the low carbon cell, the high carbon cell, the low sulfur cell and the high sulfur cell one to one, that is, there are four infrared detection units 18, the infrared detection unit 18 is provided with an infrared light source 1801, a modulation disk 1802, a filter 1803, an infrared detector 1804 and a preamplifier 1805 in sequence from left to right, and the low carbon cell, the high carbon cell, the low sulfur cell and the high sulfur cell are respectively provided between the modulation disk 1802 and the filter 1803. Through setting up infrared detection assembly into a plurality of independent infrared detecting element 18 to when needing which item detected information, just can independently acquire, and can acquire multiple detected information simultaneously, for example can acquire the data message in high carbon pond 4, low sulphur pond 5 and the high sulphur pond 6 simultaneously, also can acquire the information of other combinations certainly, not the same one here explains for example, can make the testing process more convenient through setting up independent infrared detecting element 18, very good practicality and marketing nature.
The computer acquisition system is used for acquiring and displaying detection results of carbon content and sulfur content in the infrared detection system, the computer acquisition system is not elaborated in detail for the prior art in the field, and as shown in fig. 1, the computer acquisition system comprises a data conversion module, a data processing module, a computer, a control module, an electronic balance and the like. The utility model discloses a theory of operation does: firstly, a sample is combusted in a high-frequency combustion furnace 1 or a tubular furnace 2, a gas to be detected after combustion sequentially passes through a high-carbon pool 4, a low-carbon pool 3, a high-sulfur pool 6 and a low-sulfur pool 5, at the moment, the detection of sulfur dioxide and carbon dioxide in the gas can be realized by an infrared detection unit 18 on the high-carbon pool 4, the low-carbon pool 3, the high-sulfur pool 6 and the low-sulfur pool 5, detection data are transmitted to a computer in a computer acquisition system for display after being subjected to conversion treatment, and finally the detection gas is purified by a tail gas purification module 15 and then is discharged.
The present invention is not limited to the above-mentioned examples, and various modifications and changes which can be made by those skilled in the art without creative efforts are protected by the present patent within the scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a two stove analysis structures of carbon sulphur, includes sample combustion system, infrared detecting system and computer collection system, sample combustion system is arranged in making the sample fully burn in oxygen and produce and wait to detect gaseous, be equipped with the furnace body that is used for carrying out the burning to the sample among the sample combustion system, infrared detecting system is arranged in detecting carbon content and sulphur content in waiting to detect gaseous, be equipped with the carbon pond that is used for detecting carbon content and the sulphur pond that is used for detecting sulphur content among the infrared detecting system, computer collection system is used for gathering the testing result of carbon content and sulphur content in infrared detecting system and shows its characterized in that: the furnace body comprises a high-frequency combustion furnace and a tubular furnace which are arranged in parallel, the carbon pool comprises a low-carbon pool and a high-carbon pool, the volume of the low-carbon pool is larger than that of the high-carbon pool, the sulfur pool comprises a low-sulfur pool and a high-sulfur pool, and the volume of the low-sulfur pool is larger than that of the high-sulfur pool.
2. A carbon sulfur dual furnace analysis structure according to claim 1, characterized in that: the sample combustion system comprises a high-frequency combustion furnace, a tubular furnace, an oxygen system, a pressure reducing valve and a total oxygen valve, wherein a combustion furnace inlet valve is arranged at the inlet end of the high-frequency combustion furnace, a combustion furnace outlet valve is arranged at the outlet end of the high-frequency combustion furnace, a tubular inlet valve is arranged at the inlet end of the tubular furnace, a tubular outlet valve is arranged at the outlet end of the tubular furnace, an outlet of the oxygen system is connected with an inlet of the pressure reducing valve, an outlet of the pressure reducing valve is connected with an inlet of the total oxygen valve, an outlet of the total oxygen valve is respectively connected with an inlet of the combustion furnace inlet valve and an inlet of the tubular inlet valve, and an outlet of the combustion furnace outlet valve and.
3. A carbon sulfur dual furnace analysis structure according to claim 2, characterized in that: and a branch flow guide pipe is further arranged in the sample combustion system, an inlet of the branch flow guide pipe is connected with an outlet of the total oxygen valve, and an outlet of the branch flow guide pipe is connected with an outlet of the combustion furnace outlet valve.
4. A carbon sulfur dual furnace analysis structure according to claim 1, characterized in that: the infrared detection system comprises a tail gas purification module, a low-carbon pool, a high-carbon pool, a low-sulfur pool, a high-sulfur pool and an infrared detection assembly, wherein an inlet of the high-carbon pool is connected with an outlet of a combustion furnace outlet valve, an outlet of the high-carbon pool is connected with an inlet of the low-carbon pool, an outlet of the low-carbon pool is connected with an inlet of the high-sulfur pool, an outlet of the high-sulfur pool is connected with an inlet of the low-sulfur pool, and an outlet of the low-sulfur pool is connected with the tail gas purification module.
5. A carbon sulfur double furnace analysis structure according to claim 4, characterized in that: still be equipped with scavenge pipe and purge valve among the infrared detection system, the exit linkage of the import and the relief pressure valve of scavenge pipe, the export of scavenge pipe and the access connection of purge valve, the exit linkage in purge valve and high carbon pond.
6. A carbon sulfur double furnace analysis structure according to claim 5, characterized in that: the infrared detection assembly comprises a plurality of independent infrared detection units, the infrared detection units are in one-to-one correspondence with the low-carbon pool, the high-carbon pool, the low-sulfur pool and the high-sulfur pool respectively, the infrared detection units are sequentially provided with an infrared light source, a modulation disc, an optical filter, an infrared detector and a preamplifier from left to right, and the low-carbon pool, the high-carbon pool, the low-sulfur pool and the high-sulfur pool are arranged between the modulation disc and the optical filter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020700949.3U CN211955206U (en) | 2020-04-30 | 2020-04-30 | Carbon-sulfur double-furnace analysis structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020700949.3U CN211955206U (en) | 2020-04-30 | 2020-04-30 | Carbon-sulfur double-furnace analysis structure |
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| Publication Number | Publication Date |
|---|---|
| CN211955206U true CN211955206U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020700949.3U Expired - Fee Related CN211955206U (en) | 2020-04-30 | 2020-04-30 | Carbon-sulfur double-furnace analysis structure |
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| Country | Link |
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| CN (1) | CN211955206U (en) |
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2020
- 2020-04-30 CN CN202020700949.3U patent/CN211955206U/en not_active Expired - Fee Related
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Granted publication date: 20201117 Termination date: 20210430 |