CN203249879U - Device for quickly detecting sulfur constituents in solid material - Google Patents
Device for quickly detecting sulfur constituents in solid material Download PDFInfo
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- CN203249879U CN203249879U CN 201320268946 CN201320268946U CN203249879U CN 203249879 U CN203249879 U CN 203249879U CN 201320268946 CN201320268946 CN 201320268946 CN 201320268946 U CN201320268946 U CN 201320268946U CN 203249879 U CN203249879 U CN 203249879U
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000011343 solid material Substances 0.000 title claims abstract description 16
- 229910052717 sulfur Inorganic materials 0.000 title abstract description 7
- 239000011593 sulfur Substances 0.000 title abstract description 6
- 239000000470 constituent Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 48
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000005864 Sulphur Substances 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 17
- 238000007493 shaping process Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 239000003245 coal Substances 0.000 abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 238000000516 activation analysis Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 238000009856 non-ferrous metallurgy Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000004939 coking Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 230000005251 gamma ray Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 238000004876 x-ray fluorescence Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241001637516 Polygonia c-album Species 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- -1 colliery Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
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Abstract
The utility model relates to a device for quickly detecting sulfur constituents in a solid material, and belongs to the technical field of environmental protection and mining industry production. In the detection, firstly, sampling from a to-be-detected material, and performing X ray irradiation to a testing sample, so as to obtain a hybrid energy spectrum of an X ray and a back scattering X ray; computing and obtaining the content of sulfur constituents in the testing sample by adopting the intensity of a characteristic X ray and a back scattering X ray of the sulfur element in the hybrid energy spectrum. The detecting device comprises a sampling machine and a measuring system. According to the utility model, the detecting process is simple, and the detecting result is more accurate and reliable; the equipment cost and the use cost of the detecting device are far lower than the cost of the conventional detecting device adopting the neutron instant gamma ray activation analysis; the detecting device provided by the utility model can be used for the production and processing of coal, can be used in factories such as a coal mine, a coal washing plant, or a coking plant and a fuel electric plant, and can be used in various technical fields such as iron steels, nonferrous metallurgy and sugar mills.
Description
Technical field
The utility model relates to the device for fast detecting of sulphur composition in a kind of solid material, belongs to environmental protection and mining industry production technical field.
Background technology
Because the actual demands such as environmental protection, assurance product quality are necessary and urgent to sulphur composition Quick Measurement in the material, present method mainly is to sample to utilize various instruments to measure in the laboratory, and this needs long time and larger labor workload.Present stage can on-line measurement material sulphur content technology be neutron prompt fission gammas ray analysis technology, but have some factors, short, expensive such as the neutron source life-span, risk factor is high, technical sophistications etc. have restricted this Technique Popularizing and have used.
Utilize x-ray fluorescence analysis, can measure the sulphur content in the material, but this technology all has higher requirements to shape, granularity, the environment of material, therefore utilize at present the instrument of this commercial measurement sulphur content, namely the x-ray fluorescence analyzer device is all used under laboratory condition, need to carry out than complex process sample, such as abrasive dust, compressing tablet or sintering etc. can not be satisfied the needs of quick acquisition material sulphur content, in order to instruct fast production.
The X ray that utilizes X-ray tube to produce, can inspire the characteristic X-ray of the element sulphur in the material and the characteristic X-ray of other elements, analyze the content that these X ray can calculate sulphur, the method is applied in the sulphur content on-line measurement, have following difficulty: the principal character X ray energy of (1) sulphur is very low, be 2.3keV, decay is very fast in air, therefore detector can not be too far away with the distance of online transported material, should be in several cm range, otherwise the characteristic X-ray of sulphur will by the large high attenuation of air, have a strong impact on measurement effect, but because the thickness of material may alter a great deal, therefore the installation of detector just has difficulties, and is far away apart from conveying belt, measures the characteristic X-ray less than sulphur, near distance may be by material impacting, wear and tear bad (the beryllium window of detector is very thin very fragile).(2) except by the possibility of material impacting, wearing and tearing, different from the xrf analysis instrument that the laboratory is used, during on-line measurement, the distance of material and detector is random variation, cause the solid angle of detector and characteristic X-ray emission place to change, thereby the transmitted intensity that causes measuring changes, and will cause very large measuring error.
Summary of the invention
The purpose of this utility model is the device for fast detecting that proposes sulphur composition in a kind of solid material, changes detection method and the pick-up unit of sulphur composition in the existing solid material, to improve detection speed and accuracy of detection.
The device for fast detecting of sulphur composition in the solid material that the utility model proposes, comprise Sampling Machine and measuring system, described Sampling Machine and measuring system are positioned at the conveying belt top, Sampling Machine and measuring system are fixed on the conveyor belt support by support respectively, or be fixed on by support on the ground of conveyor belt support both sides, link to each other by the material sample channel between Sampling Machine and the measuring system; Described measuring system is comprised of rotating disk, breaker, material shaping flapper, motor, detection case, height limiter and scraper plate; Described breaker, height limiter and detection case are separately fixed on the support frame of measuring system, and described breaker links to each other with the material sample channel; Described material shaping flapper is fixed on the below of breaker, and the material shaping flapper is positioned at the top of rotating disk one side, surveys case and is positioned at the rotating disk top opposite side relative with breaker; Described height limiter is suspended under the support frame, and is positioned at the top of rotating disk; Described motor places on the support frame, and motor output shaft and rotating disk link; Described scraper plate places on the rotating disk, and the scraper plate end is provided with discharging opening; In the described detection case X-ray generator and X-ray detector are installed.
The device for fast detecting of sulphur composition in the solid material that the utility model proposes, its advantage is:
1, the pick-up unit that designs according to the utility model method, compact conformation, the sample of measurement return the belt conveyor of material after measured at once, reduce the complexity device that sample reclaims, and can in the situation of simple process sample, realize on-line measurement.So pick-up unit of the present utility model, equipment cost and use cost all will be far below the existing costs that utilizes neutron prompt fission gammas ray activation analysis.
2, the device for fast detecting of sulphur composition in the solid material that the utility model proposes, utilize the sulphur composition in the x-ray fluorescence analysis solid material, can be used for various materials, as the sulphur composition in the various solid materials such as coal, Iron Ore Powder, copper ore powder, white sugar carry out fast, on-line analysis, therefore detection method of the present utility model and pick-up unit can be used for the production and processing of coal, such as colliery, coal washery etc., or coke-oven plant, fuel-burning power plant etc., also can be used for a plurality of technical fields such as iron and steel, nonferrous metallurgy, sugar refinery.
Description of drawings
Fig. 1 is the structural representation of the device for fast detecting of sulphur composition in the solid material that the utility model proposes.
Fig. 2 is the structural representation of measuring system in the pick-up unit shown in Figure 1.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the X-ray energy spectrum that measures.
Among Fig. 1-Fig. 3, the 1st, Sampling Machine, the 2nd, breaker, the 3rd, material shaping flapper, the 4th, motor, the 5th, X-ray generator, the 6th, X-ray detector, the 7th, survey case, the 8th, the material sample, the 9th, rotating disk, the 10th, height limiter (making material smooth, highly consistent), the 11st, scraper plate (scrapes the material sample from disk, turn back on the material conveyer belt), the 12nd, belt idler, the 13rd, material, the 14th, the material sample channel, the 15th, measuring system, the 16th, support, the 17th, conveying belt, the 18th, conveyor belt support, the 19th, support frame, the 20th, discharging opening, the 21st, motor output shaft.
Embodiment
The device for fast detecting of sulphur composition in the solid material that the utility model proposes, its structure such as Fig. 1, Fig. 2 and shown in Figure 3, comprise Sampling Machine 1 and measuring system, Sampling Machine 1 and measuring system are positioned at the top of conveying belt 17, Sampling Machine 1 and measuring system are fixed on the conveyor belt support 18 by support 16 respectively, or are fixed on by support 16 on the ground of conveyor belt support both sides.Link to each other by material sample channel 14 between Sampling Machine 1 and the measuring system.Measuring system is comprised of rotating disk 9, breaker 2, material shaping flapper 3, motor 4, detection case 7, height limiter 10 and scraper plate 11.Breaker 2, height limiter 10 and detection case 7 are separately fixed on the support frame 19 of measuring system, and breaker 2 links to each other with material sample channel 14.Material shaping flapper 3 is fixed on the below of breaker 2, and material shaping flapper 3 is positioned at the top of rotating disk 9 one sides, surveys case 7 and is positioned at the relative opposite side of rotating disk top and breaker 2.Height limiter 10 is suspended on support frame 19 times, and is positioned at the top of rotating disk 9.Motor 4 places on the support frame 19, and motor output shaft 21 links with rotating disk 9.Scraper plate 11 places on the rotating disk 9, and the end of scraper plate 11 is provided with discharging opening 20.Survey in the case 7 X-ray generator 5 and X-ray detector 6 are installed.
Among the embodiment of the present utility model, used Sampling Machine is produced by Tsing-Hua University, and product type is CY2012, and breaker is produced by Qinghe, Hunan heavy industry machinery company limited, and product type is PE60 * 100; X-ray generator is produced by VJ Technologies company, and product type is IXS080F; X-ray detector is produced by MOXTEK company, and product type is XE600.
The utility model pick-up unit utilizes the conveying belt sampling thief, at first gather sample on the belt conveyor from the direction of material transferring, and sample entered breaker 2 by material sample channel 14, sample after the fragmentation directly enters in the material shaping flapper 3 of breaker 2 bottoms, the sample rear conveyer that directly falls into that is formed, and by further limit for height, by conveyer sample is sent into the measuring unit below; Measuring unit and sample keep closer distance, but because sample is carried out limit for height, guarantee that sample can't collision detector; X-ray tube emission X ray is to sample surfaces, and the characteristic X-ray of generation and backscattering ray are arrived by the high energy resolution detector measurement; Utilize the intensity rate of characteristic X-ray and backscattering ray, reduce the impact of material thickness and variable density, the data analysis that measures is calculated, obtain the sample sulfur content; After the sample that gathers is measured, return on the belt conveyor.
The device for fast detecting of sulphur composition in the solid material that the utility model proposes, its principle of work is: at first sample from material to be measured, institute is gathered material pulverize, make the granularity of material to be measured less than 30mm, obtain specimen;
Specimen is carried out x-ray bombardment, obtain the mixing power spectrum of characteristic X-ray and backscattering X ray, utilize the characteristic X-ray of the element sulphur in the mixing power spectrum and the intensity of backscattering X ray, calculate the content of sulphur composition in the specimen according to following formula:
Wherein S is the number percent of element sulphur quality and sample gross mass in the sample, I
SBy the survey intensity of mixing the characteristic X-ray of element sulphur in the power spectrum, I
rBy survey mix the backscattering X ray intensity in the backscattering zone in the power spectrum, b
0, b
1Be respectively the correction constant, amended constant b
0, b
1Scaling method be: from a batch materials, extract a plurality of samples, obtain a plurality of sample sulphur compositions by chemical examination, and obtain the intensity I of characteristic X-ray of the corresponding element sulphur of a plurality of samples by x-ray bombardment
SWith the backscattering X ray intensity I in the backscattering zone
r, utilize least square method, the Fitting Calculation obtains amended constant b
0, b
1, also can adopt other method, calculate the correction constant.
In the above-mentioned testing process, only the element for the limited kinds in the solid material carries out analysis and calculation, in actual application, can be different according to the field of using, from X-ray energy spectrum, choose targetedly the characteristic X-ray of more representational element, carry out analysis and calculation, for example coal field, sugar field, copper mine field, the element of choosing just has larger difference.
Fig. 4 is the power spectrum of utilizing the utility model pick-up unit to obtain, can find out that from power spectrum 25,26,27,28 are respectively the power spectrum part of the characteristic X-ray of sulphur, calcium, titanium, ferro element, 29 are the power spectrum part of backscattering X ray, and what their area represented is the intensity of corresponding X ray.25 area is not only relevant with the content of sulphur in the tested material, and is also relevant with density, granularity, material and detector distance, other constituent contents of material.In the sulfur content computing formula:
Claims (1)
1. the device for fast detecting of sulphur composition in the solid material, it is characterized in that this device comprises Sampling Machine and measuring system, described Sampling Machine and measuring system are positioned at the conveying belt top, Sampling Machine and measuring system are fixed on the conveyor belt support by support respectively, or be fixed on by support on the ground of conveyor belt support both sides, link to each other by the material sample channel between Sampling Machine and the measuring system; Described measuring system is comprised of rotating disk, breaker, material shaping flapper, motor, detection case, height limiter and scraper plate; Described breaker, height limiter and detection case are separately fixed on the support frame of measuring system, and described breaker links to each other with the material sample channel; Described material shaping flapper is fixed on the below of breaker, and the material shaping flapper is positioned at the top of rotating disk one side, surveys case and is positioned at the rotating disk top opposite side relative with breaker; Described height limiter is suspended under the support frame, and is positioned at the top of rotating disk; Described motor places on the support frame, and motor output shaft and rotating disk link; Described scraper plate places on the rotating disk, and the scraper plate end is provided with discharging opening; In the described detection case X-ray generator and X-ray detector are installed.
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| CN 201320268946 CN203249879U (en) | 2013-05-16 | 2013-05-16 | Device for quickly detecting sulfur constituents in solid material |
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| CN 201320268946 CN203249879U (en) | 2013-05-16 | 2013-05-16 | Device for quickly detecting sulfur constituents in solid material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278485A (en) * | 2013-05-16 | 2013-09-04 | 清华大学 | Quick detection method of sulphur component in solid material, and detecting device for same |
| CN103769370A (en) * | 2014-01-27 | 2014-05-07 | 罗旭 | Water-free anti-explosion raw coal sorting machine |
| CN104849292A (en) * | 2015-06-10 | 2015-08-19 | 长沙敏衡测控科技有限公司 | Rapid coal quality analysis device |
| CN106153657A (en) * | 2016-09-19 | 2016-11-23 | 长沙开元仪器股份有限公司 | Ature of coal on-line measuring device and method |
| CN106153655A (en) * | 2016-08-15 | 2016-11-23 | 长沙开元仪器股份有限公司 | A kind of ature of coal on-line measuring device |
| CN109632854A (en) * | 2019-01-14 | 2019-04-16 | 东华理工大学 | A kind of online xrf analysis instrument of blocky uranium ore multielement of double detecting structures |
| CN110346349A (en) * | 2019-07-30 | 2019-10-18 | 辽宁石油化工大学 | Landwaste detection device |
-
2013
- 2013-05-16 CN CN 201320268946 patent/CN203249879U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278485A (en) * | 2013-05-16 | 2013-09-04 | 清华大学 | Quick detection method of sulphur component in solid material, and detecting device for same |
| CN103769370A (en) * | 2014-01-27 | 2014-05-07 | 罗旭 | Water-free anti-explosion raw coal sorting machine |
| CN104849292A (en) * | 2015-06-10 | 2015-08-19 | 长沙敏衡测控科技有限公司 | Rapid coal quality analysis device |
| CN106153655A (en) * | 2016-08-15 | 2016-11-23 | 长沙开元仪器股份有限公司 | A kind of ature of coal on-line measuring device |
| CN106153657A (en) * | 2016-09-19 | 2016-11-23 | 长沙开元仪器股份有限公司 | Ature of coal on-line measuring device and method |
| CN109632854A (en) * | 2019-01-14 | 2019-04-16 | 东华理工大学 | A kind of online xrf analysis instrument of blocky uranium ore multielement of double detecting structures |
| CN109632854B (en) * | 2019-01-14 | 2022-10-11 | 东华理工大学 | Massive uranium ore multi-element online X fluorescence analyzer with double detection structures |
| CN110346349A (en) * | 2019-07-30 | 2019-10-18 | 辽宁石油化工大学 | Landwaste detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |