CN104849292A - Rapid coal quality analysis device - Google Patents
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- CN104849292A CN104849292A CN201510313895.9A CN201510313895A CN104849292A CN 104849292 A CN104849292 A CN 104849292A CN 201510313895 A CN201510313895 A CN 201510313895A CN 104849292 A CN104849292 A CN 104849292A
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- 239000003245 coal Substances 0.000 title claims abstract description 144
- 238000004458 analytical method Methods 0.000 title abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 26
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000005864 Sulphur Substances 0.000 claims abstract description 20
- 238000001228 spectrum Methods 0.000 claims abstract description 14
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012773 Laboratory assay Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012625 in-situ measurement Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003041 laboratory chemical Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 thermal value Substances 0.000 description 1
Abstract
The invention provides a rapid coal quality analysis device. The rapid coal quality analysis device comprises a sampling machine, a transmitting device, an X-ray transmitter, an X-ray detector and a data acquisition and control device, wherein the sampling machine is used for acquiring a coal sample from sampled coal; the transmitting device is arranged below the sampling machine and is used for transmitting the coal sample; the X-ray transmitter is arranged above the transmitting device and is used for transmitting X rays to the coal sample; the X-ray detector is arranged above the transmitting device and is used for receiving an energy spectrum of the X rays reflected by the coal sample; and the data acquisition and control device is connected with the X-ray detector and is used for obtaining the content of ash, the calorific value and the content of sulphur of the coal sample according to the energy spectrum of the X rays. The rapid coal quality analysis device has the advantages that ingredients of coal can be rapidly analyzed and measured, the high measurement accuracy is realized, and the rapid coal quality analysis device is simple in structure and easy to assemble.
Description
Technical field
The present invention relates to coal detection technique field, particularly a kind of ature of coal fast analyser.
Background technology
Ash content of coal, thermal value and sulphur content are the important parameter indexs of coal, and Quick Measurement goes out the ash content of coal, thermal value, sulphur content to the links of the production and processing of coal, sale and utilization all highly significant.Traditional laboratory assay means, retardation time is oversize, can not meet actual demand.The index parameter of accurate chemical examination coal, gather representational coal sample very important, therefore various Sampling Machine is widely used in the middle of the sampling of coal, such as belt middle sampling machine, strap end Sampling Machine, sampling from wagon machine, train sampling machine etc., these Sampling Machine can reduce the labour intensity of artificial sample greatly, improve the representativeness of adopting sample.
Although there has been the on-line measuring device of multiple ash content of coal etc. at present, but laboratory chemical examination work still can not be replaced, be on the one hand because online coal property test equipment also Shortcomings, its measuring accuracy can not meet measurement demand in some applied environment, on the other hand, online coal property test equipment needs to use analysis data to carry out calibrating instrument.Therefore a lot of on-the-spot, while installation in-situ measurement equipment, also Sampling Machine to be installed.
Summary of the invention
The present invention is intended to solve one of technical matters in above-mentioned correlation technique at least to a certain extent.
For this reason, the object of the invention is to propose a kind of ature of coal fast analyser analyzed based on circuit feature, this device can carry out express-analysis measurement to the composition of coal, has higher measuring accuracy, and simple, the convenient installation of this apparatus structure.
To achieve these goals, embodiments of the invention propose a kind of ature of coal fast analyser, comprising: Sampling Machine, and described Sampling Machine is used for obtaining coal sample from being sampled coal; Transmitting device, described transmitting device is positioned at the below of described Sampling Machine, for transmitting described coal sample; X-ray emitter, described X-ray emitter is positioned at above described transmitting device, with to described coal sample emission X ray; X-ray detector, described X-ray detector is positioned at above described transmitting device, to receive the power spectrum of the X ray after described coal sample reflection; Data acquisition and control device, described data acquisition is connected with described X-ray detector with control device, to obtain the ash content of described coal sample, thermal value and sulphur content according to the power spectrum of described X ray.
According to the ature of coal fast analyser of the embodiment of the present invention, can carry out express-analysis measurement to the composition of coal, can reach higher ash content measuring accuracy, and can measure sulphur content, this apparatus structure is simple, convenient installation.
In addition, ature of coal fast analyser according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, described data acquisition and control device are also connected with described X-ray emitter, to control described X-ray emitter operating voltage and working current, and control unlatching or the closedown of described X-ray emitter.
In some instances, also comprise: coal crushing device, described coal crushing device between described Sampling Machine and described transmitting device, for described coal sample is carried out fragmentation; The wide building mortion of coal ductility limit, the wide building mortion of described coal ductility limit between described coal crushing device and described transmitting device, with the width making the width of the coal sample outputted on described transmitting device be less than described transmitting device; Coal ductility limit height apparatus for leveling, described coal ductility limit height apparatus for leveling is arranged on above described transmitting device, and be connected with the wide building mortion of described coal ductility limit, flatten with the coal sample outputted on described transmitting device the wide building mortion of described coal ductility limit, fix to the distance of described X-ray emitter and described X-ray detector to make the surface of described coal sample.
In some instances, the surface of described coal sample is less than 10cm to the distance of described X-ray emitter and described X-ray detector.
In some instances, described data acquisition and control device are used for the ash content and the thermal value that obtain described coal sample according to the Strength co-mputation of described X-ray energy spectrum.
In some instances, described data acquisition and control device are used for the sulphur content obtaining described coal sample according to the characteristic X-ray of sulphur in described X-ray energy spectrum and the Strength co-mputation of other associated reflections ray.
In some instances, described X-ray detector is one or more combinations in scintillation detector, proportional counter tube and semiconductor detector.
In some instances, the operating voltage range of described X-ray emitter is 4kV-200kV.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of ature of coal fast analyser according to an embodiment of the invention.
Description of reference numerals:
1-Sampling Machine, 2-coal crushing device, the wide building mortion of 3-coal ductility limit, 4-baffle plate, 5-coal, 6-coal ductility limit height apparatus for leveling, 7-X ray emitter, 8-X ray detector, 9-detects case, 10-transmitting device, 11-rejected material return mechanism, 12-X ray emitter control cables, 13-X ray detector control cables, 14-data acquisition and control device, 15-Electric Machine Control cable, 16-motor and reduction gear, 17-transmitting device driving wheel.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Below in conjunction with accompanying drawing, the ature of coal fast analyser according to the embodiment of the present invention is described.
Fig. 1 is the structural representation of ature of coal fast analyser according to an embodiment of the invention.As shown in Figure 1, this device comprises: Sampling Machine 1, transmitting device 10, X-ray emitter 7, X-ray detector 8 and data acquisition and control device 14.
Specifically, Sampling Machine 1 is for obtaining coal sample from being sampled in coal.In concrete example, such as, Sampling Machine 1 from coal conveyer belt or carry a coal car equivalent-load coal sample to obtain coal sample.It should be noted that, Sampling Machine 1 can be arranged on the top or other orientation that are sampled coal.
Transmitting device 10 is positioned at the below of Sampling Machine 1, for transmitting coal sample.
X-ray emitter 7 is positioned at above transmitting device 10, with to coal sample emission X ray.In some instances, such as, the operating voltage range of X-ray emitter 7 is 4kV-200kV.
X-ray detector 8 is positioned at above transmitting device 10, to receive the power spectrum of the X ray after coal sample reflection.In some instances, X-ray detector 8 is such as but is not limited to one or more combinations in scintillation detector, proportional counter tube and semiconductor detector.
Data acquisition is connected with X-ray detector 8 with control device 14, to obtain the ash content of coal sample, thermal value and sulphur content according to the power spectrum of X ray.More specifically, in some instances, such as, data acquisition is connected with X-ray detector 8 by X-ray detector control cables 13 with control device 14, and data acquisition and control device 14 obtain ash content and the thermal value of coal sample according to the Strength co-mputation of X-ray energy spectrum.And data acquisition and control device 14 obtain the sulphur content of coal sample according to the Strength co-mputation of the characteristic X-ray of sulphur in X-ray energy spectrum and other associated reflections ray.
Specifically, when X-ray emitter 7 launch x-ray bombardment to coal sample after, partial x-ray will by coal sample reflection, the transmitted intensity of reflection is relevant with ash content of coal, and ash content of coal is higher, and the X-ray intensity of reflection is lower, therefore, data acquisition and control device 14, by measuring by the intensity of reflected ray, just can be extrapolated ash content, then calculate the thermal value of producing coal according to ash content of coal.Further, time in x-ray bombardment to coal sample, the characteristic X-ray of sulphur in coal sample can be inspired, sulphur content is higher, the characteristic X ray strength of the sulphur produced is higher, therefore, data acquisition and control device 14 according to the intensity of sulphur characteristic X ray strength with other associated reflections ray, can extrapolate the content of sulphur.
Further, in the examples described above, the X-ray intensity from the reflection of coal sample surface that X-ray detector 8 measures, not only with the ash content of coal, sulphur content is relevant, also relevant with coal granularity, also with the distance dependent of coal sample surface to X-ray detector 8, distance is far away, the X-ray intensity that X-ray detector 8 can detect is lower, therefore in measuring process, ensure that the granularity of coal is less, and the spacing of coal sample surface and X-ray detector 8 is fixed, this just needs coal sample to be broken into the less coal particles of granularity, and keep the distance between coal sample surface and X-ray detector 8 to fix.
Therefore, in one embodiment of the invention, as shown in Figure 1, this ature of coal fast analyser also comprises: the wide building mortion 3 of coal crushing device 2, coal ductility limit and coal ductility limit height apparatus for leveling 6.
Wherein, coal crushing device 2 (such as disintegrating machine), between Sampling Machine 1 and transmitting device 10, for coal sample is carried out fragmentation, becomes the less coal particles of granularity to make coal sample.
The wide building mortion 3 of coal ductility limit between coal crushing device 2 and transmitting device 10, with the width making the width of the coal sample outputted on transmitting device 10 be less than transmitting device 10.In other words, namely the wide building mortion of coal ductility limit 3 is for outputting to the coal sample after fragmentation within the scope of effective transmission of transmitting device 10, prevents coal sample from trickling down outside transmitting device 10.Wherein, in some instances, such as, the wide building mortion of coal ductility limit 3 is the wide building mortion of funneling coal ductility limit.
Coal ductility limit height apparatus for leveling 6 is arranged on above transmitting device 10, and be connected with the wide building mortion 3 of coal ductility limit, flatten with the coal sample outputted on transmitting device 10 the wide building mortion 3 of coal ductility limit, fix to the distance of X-ray emitter 7 and X-ray detector 8 to make the surface of coal sample.The surface of such as, coal sample more specifically, in some instances, after leveling is less than 10cm to the distance of X-ray emitter 7 and X-ray detector 8.
Further, in one embodiment of the invention, as shown in Figure 1, data acquisition is also connected with X-ray emitter 7 with control device 14, to control operating voltage and the working current of X-ray emitter 7, meanwhile, also controls unlatching or the closedown of X-ray emitter 7.Like this, when not needing to measure, data acquisition and control device 14 can control X-ray emitter 7 and close, after X-ray emitter 7 powered-down, to not produce X ray, security improves a lot than use radioactive source, also there is not the problems such as the retired recovery of radioactive source.Wherein, as shown in Figure 1, data acquisition and control device 14 are such as connected with x ray generator 7 by x ray generator control cables 12.
Further, in some instances, as shown in Figure 1, this device such as also comprises detection case 9.Specifically, X-ray emitter 7 and X-ray detector 8 are arranged in detection case 9, and detection case 9 pairs of X-ray emitter 7 and X-ray detector 8 carry out isolation and protection.
To sum up, according to the ature of coal fast analyser of the embodiment of the present invention, can carry out express-analysis measurement to the composition of coal, can reach higher ash content measuring accuracy, and can measure sulphur content, this apparatus structure is simple, convenient installation.In addition, export without ray after closedown x ray generator, therefore, this device has higher ray safety.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (8)
1. an ature of coal fast analyser, is characterized in that, comprising:
Sampling Machine, described Sampling Machine is used for obtaining coal sample from being sampled coal;
Transmitting device, described transmitting device is positioned at the below of described Sampling Machine, for transmitting described coal sample;
X-ray emitter, described X-ray emitter is positioned at above described transmitting device, with to described coal sample emission X ray;
X-ray detector, described X-ray detector is positioned at above described transmitting device, to receive the power spectrum of the X ray after described coal sample reflection;
Data acquisition and control device, described data acquisition is connected with described X-ray detector with control device, to obtain the ash content of described coal sample, thermal value and sulphur content according to the power spectrum of described X ray.
2. ature of coal fast analyser according to claim 1, it is characterized in that, described data acquisition and control device are also connected with described X-ray emitter, to control operating voltage and the working current of described X-ray emitter, and control unlatching or the closedown of described X-ray emitter.
3. ature of coal fast analyser according to claim 1, is characterized in that, also comprise:
Coal crushing device, described coal crushing device between described Sampling Machine and described transmitting device, for described coal sample is carried out fragmentation;
The wide building mortion of coal ductility limit, the wide building mortion of described coal ductility limit between described coal crushing device and described transmitting device, with the width making the width of the coal sample outputted on described transmitting device be less than described transmitting device;
Coal ductility limit height apparatus for leveling, described coal ductility limit height apparatus for leveling is arranged on above described transmitting device, and be connected with the wide building mortion of described coal ductility limit, flatten with the coal sample outputted on described transmitting device the wide building mortion of described coal ductility limit, fix to the distance of described X-ray emitter and described X-ray detector to make the surface of described coal sample.
4. ature of coal fast analyser according to claim 3, is characterized in that, the surface of described coal sample is less than 10cm to the distance of described X-ray emitter and described X-ray detector.
5. ature of coal fast analyser according to claim 1, is characterized in that, described data acquisition and control device are used for the ash content and the thermal value that obtain described coal sample according to the Strength co-mputation of described X-ray energy spectrum.
6. ature of coal fast analyser according to claim 1, is characterized in that, described data acquisition and control device are used for the sulphur content obtaining described coal sample according to the characteristic X-ray of sulphur in described X-ray energy spectrum and the Strength co-mputation of other associated reflections ray.
7. ature of coal fast analyser according to claim 1, is characterized in that, described X-ray detector is one or more combinations in scintillation detector, proportional counter tube and semiconductor detector.
8. ature of coal fast analyser according to claim 2, is characterized in that, the operating voltage range of described X-ray emitter is 4kV-200kV.
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| CN201510313895.9A CN104849292A (en) | 2015-06-10 | 2015-06-10 | Rapid coal quality analysis device |
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| CN106990125A (en) * | 2017-05-27 | 2017-07-28 | 天津美腾科技有限公司 | A kind of multi-functional X-ray detecting system and detection method |
| CN108254398A (en) * | 2016-12-27 | 2018-07-06 | 天安友城（北京）信息科技有限公司 | Plug-in type coal quality rapid measurement 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 |
| CN110927193A (en) * | 2019-10-22 | 2020-03-27 | 北京浩然科诺科技有限公司 | Coal quality online detection and analysis system and method based on deep learning |
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