CN101846623A - Method for detecting reflectivity of coal or organic rock vitrinite and special equipment thereof - Google Patents
Method for detecting reflectivity of coal or organic rock vitrinite and special equipment thereof Download PDFInfo
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- CN101846623A CN101846623A CN 201010151135 CN201010151135A CN101846623A CN 101846623 A CN101846623 A CN 101846623A CN 201010151135 CN201010151135 CN 201010151135 CN 201010151135 A CN201010151135 A CN 201010151135A CN 101846623 A CN101846623 A CN 101846623A
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Abstract
The invention discloses equipment for detecting the reflectivity of coal or organic rock vitrinite. The equipment comprises a stand, an imaging device and an image collection device, wherein a coal or organic rock vitrinite sample is placed on the stand, the imaging device images the sample, and the image collection device is used for collecting an image formed by the imaging device. The equipment is characterized by also comprising a vitrinite reflectivity measurement device carrying out image invocation, measuring point arrangement, vitrinite reflectivity measurement, linkage, statistics and result output on the image collected by the image collection device; and the magnification of the imaging device is at least 5 times. The equipment is adopted to carry out reflectivity test, which has simple and convenient procedure, is easy to operate, conforms to the national standard requirement of vitrinite reflectivity test and improves the accuracy and the efficiency of the reflectivity test of coal vitrinite greatly.
Description
Technical field
The present invention relates to the mensuration field of coal or organic rock vitrinite reflectance, particularly a kind of method and specialized equipment thereof that detects coal or organic rock vitrinite reflectance.
Background technology
The test of coal vitrinite reflectance is the basic test project that industries such as coal, metallurgy, oil, geology are extensively carried out.The method that the test of coal vitrinite reflectance test is at present adopted is, under the polarizing microscope oil immersion objective, according to certain point, line-spacing, determine the vitrinite particle of suitable test by eyepiece, utilize photoelectric commutator (photomultiplier commonly used or electric charge coupling array photometer), test certain area and survey vitrinite reflected light signal in the district, and with the same terms under the reflected light signal contrast of known reflectivity standard specimen, calculate the reflectivity of this vitrinite according to the linear transformation principle.Be CNS GB/T 6948 " the vitrinite reflectance measurement microscope method of coal " or international standard ISO is 7404-5 " Methods for the petrographic analysis of coals-Part 5:Method of determiningmicroscopically the reflectance of vitrinite " all is to adopt above-mentioned principle.The problem that this method of testing exists mainly contains: 1. test speed is slow, efficient is low, and operating personnel are tired easily, particularly for mixed coal, if require test 500 above measuring points according to national standard, the operator of a medium skill level needs consuming time more than 2 hours at least; 2. the operator is difficult to accomplish test in strict accordance with point, the line-spacing of regulation in the test process, and the degree of uniformity that test process is arranged measuring point has a significant impact; 3. test result can not be reviewed, and can only write down final statistics, whether meet the demands and can not react degree of uniformity and the measuring point that measuring point arranges, and the measured value accuracy problems of bringing thus; 4. the very long photometer stability problem that brings of test process, and the photometer range of linearity is difficult to the single measured value accuracy problems that enough broadbands are come.
Summary of the invention
The object of the present invention is to provide a kind of equipment that detects coal or organic rock vitrinite reflectance.
The equipment of detection coal provided by the invention or organic rock vitrinite reflectance, comprise one place the thing platform of coal or organic rock vitrinite sample, to the imaging device and the image collecting device that is used to gather image that described imaging device becomes of described sample imaging, it is characterized in that: described equipment comprises that also the image that described image collecting device is gathered carries out the vitrinite reflectance determinator that image call, measuring point layout, vitrinite reflectance mensuration, link, statistics and result export; The enlargement factor of described imaging device is 5 times at least.
Above-mentioned imaging device can be polarizing microscope; Described image collecting device can be micro-digital camera.
Above-mentioned thing platform can be can automatic mobile thing platform.
Above-mentioned vitrinite reflectance determinator comprises:
Be used for to the image that described image collecting device is gathered pursue the width of cloth access, by screen several access or splice after the image call module that accesses;
The image that is used for described image call module is accessed is arranged module at the measuring point of tested point position filling appraisal mark;
Be used for described measuring point is arranged that testing sample image that module marked or the tested point on the standard items image carry out that the gray scale-reflectivity working curve of standard items is measured and set up to gray scale and apart from the calibration curve of described picture centre different distance place gray scale, then the gray-scale value of testing sample tested point is measured module according to the vitrinite reflectance that described gray scale-reflectivity working curve and calibration curve are converted into reflectivity;
Be used for the measurement result of described measuring reflectance module is write down the memory module of adding up and being stored into database;
The image that is used for described image call module is accessed is arranged the link module that the point position of module mark and the measurement result that described memory module writes down link with described measuring point;
With the measurement result that is used for that described memory module is write down add up output or according to link module with the measurement result that described memory module write down be labeled in the result who obtains on the point position of described image add up output result statistics and output module.
Further, above-mentioned measuring point arranges that the appraisal mark of module filling can be crosshair, circle and/or frame.
Another object of the present invention is to provide a kind of method that detects coal or organic rock vitrinite reflectance.
The method of detection coal provided by the invention or organic rock vitrinite reflectance is testing sample and standard items to be placed on arbitrary above-mentioned equipment detect, and obtains the report of coal or organic rock measurement results of vitrinite reflectance.
Above-mentioned detection may further comprise the steps:
1) testing sample and standard items are placed respectively under the object lens of polarizing microscope, and automatic mobile example, focus according to the Automatic Program of setting and scan, again by micro-digital camera images acquired;
2) image that step 1) is collected is transported in the vitrinite reflectance proving installation, detects.
Further, above-mentioned steps 2) comprise following concrete steps:
(1) start earlier the image call module by the width of cloth access, by screen several access or splice after access the image of testing sample and standard items;
(2) start measuring point and arrange module, the center of image that automatically appraisal mark of certain area is marked the testing sample that obtains in step (1) and standard items is as tested point, again by the operator confirm, trim locations to be to satisfy test request;
(3) restart vitrinite reflectance and measure module, tested point on the image of testing sample in the step (2) and standard items is carried out gray scale measure, and set up the gray-scale value gray scale-reflectivity working curve of standard items and apart from the calibration curve of described picture centre different distance place gray scale, automatically the gray-scale value of testing sample tested point is converted into reflectivity according to described gray scale-reflectivity working curve and calibration curve then;
(4) start memory module, the measurement result that obtains in the step (3) is write down statistics and be stored in the database, by starting link module the image that described image call module accesses is arranged that with described measuring point the point position of module mark and the measurement result that described memory module writes down link simultaneously;
(5) start result's statistics and output module, the measurement result of memory module record in the step (4) is added up automatically, generate testing sample measuring reflectance result report, and printout.
Above-mentioned testing sample can be coal or organic rock vitrinite.
Above-mentioned measuring point arranges that the appraisal mark of module filling can be crosshair, circle and/or frame.
Micro-digital technology of equipment utilization of the present invention and computer image processing technology combine, adopt micro-digital camera to gather the image under the polarizing microscope and transfer in the computing machine, by the vitrinite reflectance determinator image is accessed and handles, the operator carries out reflectance test to vitrinite on computers, and set up database link in real time, write down tested object, position, area, the original measured value of each measuring point, make test result have trackability, improved measuring accuracy.Simultaneously, reduced taking the microscopical time in test process, testing efficiency improves greatly, can test more various product in the identical time.
Method flow provided by the invention is easy, and easy operating meets the requirement of vitrinite reflectance testing standard, has greatly improved the precision and the efficient of coal vitrinite reflectance test.
Description of drawings
Fig. 1 is the workflow diagram of present device.
Fig. 2 accesses form after the embodiment of the invention 3 image call modules adopt image mosaic, carries out the interface synoptic diagram that vitrinite reflectance is measured.
Embodiment
The invention will be further described below in conjunction with specific embodiment, but the present invention is not limited to following examples.
Among the following embodiment, if no special instructions, be conventional method.
Embodiment 1, embodiment 1, a kind of equipment that detects coal or organic rock vitrinite reflectance
A kind of equipment that detects coal or organic rock vitrinite reflectance comprises that one places the thing platform of coal or organic rock vitrinite sample and standard specimen and to the polarizing microscope of described sample imaging, above-mentioned thing platform can move automatically.Equipment of the present invention also comprises micro-digital camera and vitrinite reflectance determinator, and wherein micro-digital camera is to be used for device that image that polarizing microscope becomes is gathered; The vitrinite reflectance determinator is to be used for the image of micro-digital camera collection is carried out image call, measuring point layout, vitrinite reflectance mensuration, link, statistics and result's output.
Wherein the vitrinite reflectance determinator comprises image call module, measuring point layout module, vitrinite reflectance mensuration module, memory module, link module and result's statistics and output module.
The image call module is the selection according to the user, to the image of micro-digital camera collection pursue the width of cloth access, by screen several access or splice after access.
Measuring point arranges that module is image labeling determination object position that described image call module is accessed and area, when specifically measuring, can be only carries out gray scale and measures measuring in coal that mark covers or the organic rock in the vitrinite and standard specimen component.
Vitrinite reflectance is measured module and be can be used for described measuring point is arranged that testing sample image that module marked or the tested point on the standard items image carry out that the gray scale-reflectivity working curve of standard model is measured and set up to gray scale and apart from the calibration curve of described picture centre different distance place gray scale, the gray-scale value with the testing sample tested point is converted into reflectivity according to described gray scale-reflectivity working curve and calibration curve then.
Memory module is that the measurement result that described vitrinite reflectance is measured module is write down statistics and is stored into database.
Link module is that the image that described image call module accesses is arranged that with described measuring point the point position of module mark and the measurement result of described memory module record link.
Result statistics is that the measurement result of described memory module record is added up and exported with output module, also can the measurement result that described memory module write down be labeled in the result who obtains on the point position of described image according to link module and add up output.
Idiographic flow during equipment work of the present invention may further comprise the steps as shown in Figure 1:
1, earlier the coal for preparing or organic rock are waited for that test sample product and standard items (being standard specimen) place respectively movably on the thing platform, mobile then thing platform places under the oil immersion objective of polarizing microscope sample.Utilize automatic focusing software of the prior art, polarizing microscope and micro-digital camera are focused.By time and the moving interval set sample is carried out autoscan then, in scanning process, utilize micro-digital camera to gather the mirror hypograph automatically, and, be stored in the same file by acquisition order spanned file name.
2, operation vitrinite reflectance determinator
The image that collects in the step 1 is transported in the vitrinite reflectance determinator, detects.
1) at first start the image call module, by the width of cloth access, by screen several access or splice after access the testing sample that step 1 obtains and the image of standard items.Wherein several access image by screen, are meant that the image by every screen some accesses the image of required mensuration; Access image after the splicing, be meant order and coordinate, the image of being gathered is spliced, restore the image of this sample of microscopically according to image acquisition.
2) starting the testing sample that measuring point arranges that module accesses step 1) and the image labeling of standard items locates and area sign (as circle or frame).System default marks the sign of certain area in the center of every width of cloth image, by the operator these signs determined or displacement then, thus selected measuring point; In the subsequent process, only be identified effective measuring point and participate in gray scale measurement and conversion reflectance value.
3) start vitrinite reflectance and measure module, step 2) in the selected measuring point of testing sample and standard items carry out gray scale and measure; According to the gray scale measured value of standard items and known reflectivity, set up gray scale-reflectivity working curve; Set up apart from described picture centre different distance place's gray correction curve; According to calibration curve and the gray scale-reflectivity working curve set up, the gray scale of each measuring point in the testing sample is scaled reflectance value.
4) memory module writes down statistics with the measurement result that obtains in the step 3) and is stored in the database, by starting link module described image call module image that accesses and measurement result, the point position that described memory module writes down is linked simultaneously.The advantage of link is: after the mensuration process is finished, whether whether operator or auditor can meet test request and layout and evenly test measuring point, when finding that some measuring point does not meet test request, in time adjust point position or cancel this measuring point, measure again; Simultaneously, test result can be marked near measuring point, export in order to audit or as the part of report.Be related between image and the measurement result, improved the trackability of measurement result, measuring accuracy is guaranteed.
5) start result's statistics and output module, the measurement result of memory module record in the step 4) is added up, and draw the vitrinite reflectance histogram, generate the report of vitrinite reflectance test result automatically, and printout; Also can the measurement result that described memory module write down be labeled on the point position of described image, export as test result together according to link module.
Embodiment 2, several call by national standard method and carry out vitrinite reflectance test by screen
The equipment and the method that adopt the foregoing description 1 to introduce are carried out coal or organic rock vitrinite reflectance mensuration, wherein:
During the image of image call module in accessing micro-digital camera, access by the width of cloth, all the other determination steps are identical with embodiment 1.
Call behind embodiment 3, the image mosaic, carry out the vitrinite reflectance test
The difference of present embodiment and embodiment 2 is: the image call module accesses after with image mosaic, and all the other steps are identical.
Access behind the image mosaic and carry out operation interface that vitrinite reflectance measures as shown in Figure 2.
Claims (10)
1. equipment that detects coal or organic rock vitrinite reflectance, comprise one place the thing platform of coal or organic rock vitrinite sample, to the imaging device and the image collecting device that is used to gather image that described imaging device becomes of described sample imaging, it is characterized in that: described equipment comprises that also the image that described image collecting device is gathered carries out the vitrinite reflectance determinator that image call, measuring point layout, vitrinite reflectance mensuration, link, statistics and result export; The enlargement factor of described imaging device is 5 times at least.
2. equipment according to claim 1 is characterized in that: described imaging device is a polarizing microscope; Described image collector is changed to micro-digital camera.
3. equipment according to claim 1 and 2 is characterized in that: described thing platform is can automatic mobile thing platform.
4. according to the arbitrary described equipment of claim 1-3, it is characterized in that: described vitrinite reflectance determinator comprises:
Be used for to the image that described image collecting device is gathered pursue the width of cloth access, by screen several access or splice after the image call module that accesses;
The image that is used for described image call module is accessed is arranged module at the measuring point of tested point position filling appraisal mark;
Be used for described measuring point is arranged that testing sample image that module marked or the tested point on the standard items image carry out that the gray scale-reflectivity working curve of standard items is measured and set up to gray scale and apart from the calibration curve of described picture centre different distance place gray scale, then the gray-scale value of testing sample tested point is measured module according to the vitrinite reflectance that described gray scale-reflectivity working curve and calibration curve are converted into reflectivity;
Be used for the measurement result of described measuring reflectance module is write down the memory module of adding up and being stored into database;
The image that is used for described image call module is accessed is arranged the link module that the point position of module mark and the measurement result that described memory module writes down link with described measuring point;
With the measurement result that is used for that described memory module is write down add up output or according to link module with the measurement result that described memory module write down be labeled in the result who obtains on the point position of described image add up output result statistics and output module.
5. equipment according to claim 4 is characterized in that: described measuring point arranges that the appraisal mark of module filling is crosshair, circle and/or frame.
6. method that detects coal or organic rock vitrinite reflectance is testing sample and standard items to be placed on the arbitrary described equipment of claim 1-5 detect, and obtains the report of coal or organic rock measurement results of vitrinite reflectance.
7. method according to claim 6 is characterized in that: described detection may further comprise the steps:
1) testing sample and standard items are placed respectively under the object lens of polarizing microscope, and automatic mobile example, focus according to the Automatic Program of setting and scan, again by micro-digital camera images acquired;
2) image that step 1) is collected is transported in the vitrinite reflectance proving installation, detects.
8. method according to claim 7 is characterized in that: described step 2) comprise following concrete steps:
(1) start earlier the image call module by the width of cloth access, by screen several access or splice after access the image of testing sample and standard items;
(2) start measuring point and arrange module, the center of image that appraisal mark is marked the testing sample that obtains in step (1) and standard items is as tested point, again by the operator confirm, trim locations to be to satisfy test request;
(3) restart vitrinite reflectance and measure module, tested point on the image of testing sample in the step (2) and standard items is carried out gray scale measure, and set up the gray-scale value gray scale-reflectivity working curve of standard items and apart from the calibration curve of described picture centre different distance place gray scale, automatically the gray-scale value of testing sample tested point is converted into reflectivity according to described gray scale-reflectivity working curve and calibration curve then;
(4) start memory module, the measurement result that obtains in the step (3) is write down statistics and be stored in the database, by starting link module the image that described image call module accesses is arranged that with described measuring point the point position of module mark and the measurement result that described memory module writes down link simultaneously;
(5) start result's statistics and output module, the measurement result of memory module record in the step (4) is added up automatically, generate testing sample measuring reflectance result report, and printout.
9. according to arbitrary described method among the claim 5-8, it is characterized in that: described testing sample is coal or organic rock vitrinite.
10. it is characterized in that according to Claim 8 or 9 described methods: described measuring point arranges that the appraisal mark of module filling is crosshair, circle and/or frame.
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| CN 201010151135 CN101846623A (en) | 2010-04-16 | 2010-04-16 | Method for detecting reflectivity of coal or organic rock vitrinite and special equipment thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621144A (en) * | 2012-01-31 | 2012-08-01 | 中国中医科学院中药研究所 | Instant micro and optical identification of traditional Chinese drug realgar powder |
| CN102928340A (en) * | 2012-10-19 | 2013-02-13 | 煤炭科学研究总院 | Image analysis-based method and special equipment for simultaneously determining content of maceral and vitrinite reflectance of coal |
| CN103196837A (en) * | 2013-03-06 | 2013-07-10 | 中国人民银行印制科学技术研究所 | Image-type device and method for quantitative determination of infrared reflectivity and transmissivity |
| CN104111236A (en) * | 2013-05-24 | 2014-10-22 | 中国石油化工股份有限公司 | Preparation method of vitrinite reflectance polished section of poor-vitrinite continental-facies hydrocarbon source rocks |
| CN105300881A (en) * | 2015-10-16 | 2016-02-03 | 中唯炼焦技术国家工程研究中心有限责任公司 | Multi-dimensional algorithm and device for automatic recognition of coal vitrinite |
| CN108132231A (en) * | 2016-11-30 | 2018-06-08 | 广东韶钢松山股份有限公司 | A kind of vitrinite reflectance determination value temperature deviation bearing calibration |
| CN108344741A (en) * | 2018-02-09 | 2018-07-31 | 辽宁翔舜科技有限公司 | A kind of focal length automatic identification and control technology applied to coal petrography automatic detection |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621144A (en) * | 2012-01-31 | 2012-08-01 | 中国中医科学院中药研究所 | Instant micro and optical identification of traditional Chinese drug realgar powder |
| CN102621144B (en) * | 2012-01-31 | 2015-05-20 | 四川兴科蓉药业有限责任公司 | Instant micro and optical identification of traditional Chinese drug realgar powder |
| CN102928340A (en) * | 2012-10-19 | 2013-02-13 | 煤炭科学研究总院 | Image analysis-based method and special equipment for simultaneously determining content of maceral and vitrinite reflectance of coal |
| CN103196837A (en) * | 2013-03-06 | 2013-07-10 | 中国人民银行印制科学技术研究所 | Image-type device and method for quantitative determination of infrared reflectivity and transmissivity |
| CN104111236A (en) * | 2013-05-24 | 2014-10-22 | 中国石油化工股份有限公司 | Preparation method of vitrinite reflectance polished section of poor-vitrinite continental-facies hydrocarbon source rocks |
| CN105300881A (en) * | 2015-10-16 | 2016-02-03 | 中唯炼焦技术国家工程研究中心有限责任公司 | Multi-dimensional algorithm and device for automatic recognition of coal vitrinite |
| CN105300881B (en) * | 2015-10-16 | 2018-05-18 | 中唯炼焦技术国家工程研究中心有限责任公司 | The multidimensional algorithm and equipment of a kind of automatic identification coal vitrinite |
| CN108132231A (en) * | 2016-11-30 | 2018-06-08 | 广东韶钢松山股份有限公司 | A kind of vitrinite reflectance determination value temperature deviation bearing calibration |
| CN108344741A (en) * | 2018-02-09 | 2018-07-31 | 辽宁翔舜科技有限公司 | A kind of focal length automatic identification and control technology applied to coal petrography automatic detection |
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