CN117233129A - Coal quality on-line measuring system based on big data - Google Patents
Coal quality on-line measuring system based on big data Download PDFInfo
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- CN117233129A CN117233129A CN202310944783.8A CN202310944783A CN117233129A CN 117233129 A CN117233129 A CN 117233129A CN 202310944783 A CN202310944783 A CN 202310944783A CN 117233129 A CN117233129 A CN 117233129A
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- 239000003245 coal Substances 0.000 title claims abstract description 155
- 238000001514 detection method Methods 0.000 claims abstract description 85
- 238000005070 sampling Methods 0.000 claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims description 38
- 238000012216 screening Methods 0.000 claims description 37
- 238000000227 grinding Methods 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 abstract description 21
- 239000002245 particle Substances 0.000 abstract description 15
- 239000000428 dust Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002817 coal dust Substances 0.000 description 24
- 230000003595 spectral effect Effects 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 7
- 210000002381 plasma Anatomy 0.000 description 6
- 238000003556 assay Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention provides a coal quality online detection system based on big data, which relates to the technical field of coal detection and comprises a workbench and a detection platform which are correspondingly arranged front and back, wherein a sampling shell is slidably arranged on the workbench, a push rod and a telescopic rod are arranged on the sampling shell, a coal pressing shell is arranged on the workbench, a coal pressing cavity in the coal pressing shell is correspondingly communicated with the sampling cavity in the sampling shell, a coal pressing assembly is connected with the coal pressing cavity, a movable platform is slidably arranged on the detection platform, the movable platform is correspondingly arranged with the coal quality online detection assembly, the coal quality online detection assembly is correspondingly arranged with the adsorption assembly, when pulse laser is focused on a coal piece to be detected, the adsorption assembly is started, excited tiny dust particles are pumped away, the pollution of the tiny dust particles to a lens of an optical element is avoided, the coal quality detection effect is influenced, and the technical problems that the tiny dust particles are excited when the pulse laser irradiates the coal piece to be analyzed, the lens of the optical element is easily polluted, and the coal quality detection effect is easily influenced are solved.
Description
Technical Field
The invention relates to the technical field of coal detection, in particular to a coal quality online detection system based on big data.
Background
At present, coal belongs to fuel with wide application, the consumption in the coal-electricity industry is large, the coal burning expense accounts for more than 70% of the running cost of a thermal power plant, and the ash content, the heat value, the volatile matters, the moisture content, the C, H, S and other element contents in the coal are main indexes of coal assay analysis and are also main index bases for checking, accepting and settling coal quality and guiding boiler combustion. Traditional coal quality assay analysis mainly relies on traditional off-line manual sampling, sample preparation and assay analysis, and the process is tedious and takes time, and the information of coal can not be fed back in time, so that a plurality of defects are brought: firstly, the analysis result can be known only in a few hours, and the acceptance, receiving, unloading and storage of the coal can not be guided in the first time; secondly, manual sampling, sample preparation and assay are needed, and the intermediate links are easy to intervene and miss by people, so that the authenticity and accuracy of the assay result are affected; thirdly, because the coal used by the power plant is changeable, when the coal quality of the entering furnace deviates from the designed coal quality seriously or excessive fluctuation of the coal quality of the entering furnace occurs, the safety and the economical efficiency of the operation of the boiler are directly affected, and the traditional offline analysis cannot timely give a coal quality test report to guide the combustion adjustment and optimization of the boiler. Therefore, an effective and accurate coal quality online real-time detection technology is urgently needed in coal-fired power plants.
The laser-induced plasma spectrum technology (LIBS) has the advantages of high sensitivity, no need of sample pretreatment, realization of multi-element measurement and the like, and becomes a novel laser analysis technology, when pulse laser is focused on a coal sheet to be analyzed by utilizing an optical focusing element, particles on the surface of the coal sheet are excited to generate plasmas and decay rapidly, then optical signals emitted by the plasmas are collected by a spectrum collection optical element and input into a spectrometer for analysis, the magnitudes of spectral line intensities corresponding to different wavelengths are in direct proportion to the content of elements corresponding to the spectral line, but when the pulse laser irradiates the coal sheet to be analyzed, dust particles are excited, the lens of the optical element is polluted, and the coal quality detection effect is easily affected.
Disclosure of Invention
The invention provides a coal quality online detection system based on big data, which is used for solving the technical problems that tiny dust particles are excited when pulse laser is irradiated on a coal sheet to be analyzed, the lens of an optical element is polluted, and the coal quality detection effect is easily affected.
In order to solve the technical problems, the invention discloses a coal quality online detection system based on big data, which comprises a workbench and a detection platform which are correspondingly arranged front and back, wherein a sampling shell is slidably arranged on the workbench, a push rod and a telescopic rod are arranged on the sampling shell, a coal pressing shell is arranged on the workbench, a coal pressing cavity in the coal pressing shell is correspondingly communicated with a sampling cavity in the sampling shell, the coal pressing cavity is connected with a coal pressing assembly, a mobile platform is slidably arranged on the detection platform, the mobile platform is correspondingly arranged with the coal quality online detection assembly, and the coal quality online detection assembly is correspondingly arranged with an adsorption assembly.
Preferably, the discharge shell is installed respectively in both sides around the upper end of workstation, and the fixed lower extreme that sets up at the workstation of discharge shell, and the ejection of compact chamber and a plurality of discharge holes of discharge shell correspond the intercommunication, and a plurality of discharge holes run through the upper and lower both ends that set up at the workstation, and the one end that the discharge hole was kept away from to ejection of compact chamber corresponds the setting with the conveyer belt.
Preferably, the sampling shell is in sliding connection with the upper end of the workbench, the sampling cavity is used for placing coal dust to be detected, the fixed end of the telescopic rod is fixedly arranged on the mounting plate, the mounting plate is fixedly connected with the front end of the workbench, the movable end of the telescopic rod is fixedly connected with the front end of the sampling shell, the push rod is fixedly connected with the rear end of the sampling shell, one end of the push rod, which is far away from the sampling shell, is fixedly connected with the scraper, and the scraper is in contact with the upper end of the workbench.
Preferably, the coal pressing shell is arranged on the workbench in a penetrating way, the coal pressing assembly comprises a pressing plate which is arranged in the coal pressing cavity in a sliding way, the coal pressing cavity is correspondingly matched with a blocking plate, and the blocking plate is fixedly connected with the movable end of the telescopic rod.
Preferably, the upper end of the detection table is provided with a moving platform in a sliding manner along the front-back direction, the left end and the right end of the detection table are symmetrically provided with detection plates, a coal quality online detection assembly is fixedly arranged between the detection plates at the left end and the right end, and the coal quality online detection assembly is correspondingly arranged on the upper side of the moving platform.
Preferably, the adsorption component comprises adsorption shells symmetrically arranged on the front and back sides of the coal quality online detection component, the adsorption shells are communicated with a suction pipe, the suction pipe is communicated with a storage shell, the storage shell is fixedly arranged between detection plates at the left end and the right end, the storage shell is arranged on the upper side of the coal quality online detection component, a suction pump is mounted on the suction pipe, a limiting block is fixedly arranged at the rear end of the detection plate, a collection shell is correspondingly arranged at the rear end of the detection table, and a collection cavity in the collection shell is used for storing detected coal slices.
Preferably, the upper end of sampling shell is fixed and is equipped with the feed plate, runs through on the feed plate and is equipped with the feed chamber, feed chamber and sampling chamber intercommunication, and the one end and the discharging pipe intercommunication of sampling chamber are kept away from to the feed chamber, and discharging pipe and feed plate sliding connection, and the discharging pipe is connected with pretreatment mechanism.
Preferably, the pretreatment mechanism comprises a pretreatment shell, a pretreatment cavity is arranged in the pretreatment shell, movable cavities are symmetrically arranged at the front end and the rear end of the pretreatment cavity, the pretreatment cavity is communicated with the movable cavities, a grinding shell is installed at the upper end of the pretreatment shell in a penetrating mode, the grinding shell is provided with a grinding cavity, the grinding cavity is communicated with the pretreatment cavity, grinding rollers are arranged at the front side and the rear side of the grinding cavity in a rotating mode, a lower end discharge hole of the grinding cavity is correspondingly arranged with a screening plate, the screening plate is obliquely arranged, the screening plate is movably arranged in the movable cavities and the pretreatment cavity, the rear end of the pretreatment shell is fixedly connected with a storage shell II, a cavity is formed in the upper end of the storage shell II, the screening plate is correspondingly arranged with the cavity of the storage shell II, a screening net is installed on the screening plate and is correspondingly arranged with the discharge shell, the discharge shell is arranged in the pretreatment cavity in the pretreatment shell, a mounting block is arranged between the discharge shell and the pretreatment cavity in a sliding mode, the discharge shell is in sliding mode, the discharge tube is connected with the lower end of the pretreatment cavity in the penetrating mode, and the outer side of the discharge shell is correspondingly arranged at the front of the lower end of the discharge shell.
Preferably, the device further comprises a functional mechanism, the functional mechanism comprises a first motor, the first motor is fixedly arranged at the rear end of the pretreatment shell, the first motor is fixedly connected with a first driving shaft, a guide groove is formed in the side end of the first driving shaft, the guide groove is in sliding connection with a guide ball, the guide ball is rotationally arranged in an inner movable cavity of the movable sleeve, the movable sleeve is rotationally connected with a cam and a guide plate on the rear side, the first driving shaft is in sliding connection with a movable shaft, the movable shaft is fixedly connected with a cam on the rear side, the cam on the rear side is fixedly connected with a collision block, and the guide plate is in sliding connection with the lower end of the pretreatment cavity.
Preferably, the motor II is fixedly arranged at the front end of the pretreatment shell, the motor II is fixedly connected with the driving shaft II, the driving shaft II penetrates through the front end of the pretreatment shell and is in sliding connection with an external sliding sleeve, the driving shaft II is fixedly connected with a magnetic block, the magnetic block is correspondingly arranged with an electromagnetic block, the electromagnetic block is fixedly connected with a gear II, a plurality of springs are arranged between the driving shaft II and the gear II, the gear II is fixedly connected with the sliding sleeve, the gear II is correspondingly meshed with the gear I and the gear III, the gear I is fixedly connected with a cam on the front side through a rotating shaft, the gear III is connected with a conveying mechanism through a connecting shaft, the conveying mechanism is connected with a connecting block, the connecting block is in sliding connection with the front end of the pretreatment shell, the connecting block is in rotating connection with a cleaning assembly, and the cleaning assembly consists of a plurality of cleaning blocks which are sequentially connected in a rotating manner from top to bottom.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Compared with the prior art, the invention has the following beneficial effects:
when components in the coal sheet to be detected are detected, the adsorption component is started when pulse laser is focused on the coal sheet to be detected, and the excited tiny dust particles are pumped away, so that the pollution of the tiny dust particles to the lens of the optical element is avoided, and the coal quality detection effect is affected.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the workbench and the detection platform of the invention;
FIG. 3 is a schematic view of the pretreatment mechanism of the present invention;
fig. 4 is a schematic diagram of a connection structure of a motor of the present invention.
In the figure: 1. a mounting plate; 2. a work table; 3. a discharge hole; 4. a discharge shell; 5. a conveyor belt; 6. a telescopic rod; 7. a closure plate; 8. pressing coal shells; 9. a pressing plate; 10. a sampling shell; 11. a sampling cavity; 12. a push rod; 13. a feed plate; 14. a feed chamber; 15. a detection plate; 16. a detection table; 17. a mobile platform; 18. pretreating the shell; 19. the coal quality online detection assembly; 20. a limiting block; 21. collecting the shell; 22. an adsorption shell; 23. a suction pipe; 24. a first storage case; 25. a milling chamber; 26. a grinding roller; 27. a screening plate; 28. screening net; 29. a discharge shell; 30. a second storage case; 31. a discharge pipe; 32. a cam; 33. a movable cavity; 34. an electromagnetic block; 35. an impact block; 36. a first motor; 37. a first driving shaft; 38. a guide groove; 39. a guide ball; 40. a movable sleeve; 41. a first gear; 42. a second gear; 43. a sliding sleeve; 44. a third gear; 45. a magnetic block; 46. a belt wheel II; 47. an elliptic block; 48. a connecting block; 49. a cleaning block; 50. an open slot; 51. a fixed shaft; 52. a spring; 53. and a second motor.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples
Example 1
The embodiment of the invention provides a coal quality online detection system based on big data, which is shown in fig. 1-2, and comprises a workbench 2 and a detection table 16 which are correspondingly arranged front and back, wherein a sampling shell 10 is arranged on the workbench 2 in a sliding way, a push rod 12 and a telescopic rod 6 are arranged on the sampling shell 10, a coal pressing shell 8 is arranged on the workbench 2, a coal pressing cavity in the coal pressing shell 8 is correspondingly communicated with a sampling cavity 11 in the sampling shell 10, the coal pressing cavity is connected with a coal pressing component, a mobile platform 17 is arranged on the detection table 16 in a sliding way, the mobile platform 17 is used for placing coal slices, the mobile platform 17 is correspondingly arranged with a coal quality online detection component 19, and the coal quality online detection component 19 is correspondingly arranged with an adsorption component.
The beneficial effects of the technical scheme are as follows:
the sampling cavity 11 is used for storing the coal dust to be detected which is ground and crushed into target coal dust, the telescopic rod 6 controls the sampling shell 10 to slide along the workbench 2 until the sampling shell 10 moves to the corresponding upper end of the coal pressing cavity, at the moment, the coal dust to be detected in the sampling cavity 11 enters the coal pressing cavity, the coal dust to be detected is pressed into coal slices through overpressure, then the coal slices to be detected are pushed onto the moving platform 17 of the detecting platform 16 from the workbench 2 through the push rod 12, the moving platform 17 is a three-dimensional moving platform, the moving platform 17 can drive the coal slices to be detected to move along the front-back direction, the left-right direction and the up-down direction of the detecting platform 16, when the moving platform 17 drives the coal slices to be detected to move below the coal quality online detecting assembly 19, the coal slices to be detected are detected through the coal quality online detecting assembly 19, a pulse laser in the coal quality online detecting assembly 19 is used as a laser emission source, when the optical focusing element is used for focusing pulse laser on the coal sheet to be analyzed, particles on the surface of the coal sheet are excited to generate plasmas and decay rapidly, then the optical signals generated by the plasmas are acquired through the optical spectrum acquisition element and input into the spectrometer for analysis, the magnitudes of the corresponding spectral line intensities at different wavelengths are in direct proportion to the levels of the element contents corresponding to the spectral line, the moving platform 17 drives the coal sheet to be detected to move back and forth, the different positions of the coal sheet to be detected can be detected, the influence of the factors such as the non-uniformity of the coal sheet to be detected, the fluctuation of laser energy and the like on the detection can be reduced, the reliability of the detection result of the coal quality is improved, when the components in the coal sheet to be detected are detected, the adsorption component is started when the pulse laser is focused on the coal sheet to be detected, the excited tiny dust particles are pumped away, and the pollution of the tiny dust particles to the lens of the optical element is avoided, therefore, the coal quality detection effect is affected, and the technical problem that tiny dust particles are excited when pulse laser irradiates on a coal sheet to be analyzed, the lens of an optical element is polluted, and the coal quality detection effect is easily affected is solved.
The coal quality online detection system based on big data can realize sampling, automatic tabletting and sample preparation and automatic laser detection analysis of coal, has high automation degree, low labor intensity, no radioactive source pollution, low maintenance cost and high detection speed, and is beneficial to realizing the purpose of rapid online detection of coal quality.
Example 2
On the basis of the embodiment 1, as shown in fig. 1-2, the front and rear sides of the upper end of the workbench 2 are respectively provided with a discharge shell 4, a coal pressing shell 8 is arranged between the discharge shells 4 on the front and rear sides, the discharge shells 4 are fixedly arranged at the lower end of the workbench 2, a discharge cavity of the discharge shells 4 is correspondingly communicated with a plurality of discharge holes 3, a plurality of discharge holes 3 penetrate through the upper and lower ends of the workbench 2, and one end of the discharge cavity, which is far away from the discharge holes 3, is correspondingly arranged with a conveying belt 5;
the sampling shell 10 is in sliding connection with the upper end of the workbench 2, the sampling cavity 11 is used for placing pulverized coal to be detected, the fixed end of the telescopic rod 6 is fixedly arranged on the mounting plate 1, the mounting plate 1 is fixedly connected with the front end of the workbench 2, the movable end of the telescopic rod 6 is fixedly connected with the front end of the sampling shell 10, the push rod 12 is fixedly connected with the rear end of the sampling shell 10, one end of the push rod 12, which is far away from the sampling shell 10, is fixedly connected with the scraper, and the scraper is in contact with the upper end of the workbench 2;
the coal pressing shell 8 is arranged on the workbench 2 in a penetrating mode, the coal pressing assembly comprises a pressing plate 9 which is arranged in a coal pressing cavity in a sliding mode, the coal pressing cavity is correspondingly matched with the blocking plate 7, and the blocking plate 7 is fixedly connected with the movable end of the telescopic rod 6.
The beneficial effects of the technical scheme are as follows:
when the telescopic rod 6 drives the sampling shell 10 to slide along the workbench 2, the push rod 12 is driven to move, the push rod 12 drives the scraper to move, the scraper can scrape the coal dust overflowed onto the workbench 2 into the discharging hole 3 in the moving process of the sampling shell 10, finally, the coal dust falls onto the conveying belt 5 through the discharging shell 4, meanwhile, if the coal dust to be detected in the coal pressing cavity reaches a target amount, the residual coal dust in the sampling cavity 11 can also fall onto the conveying belt 5 through the discharging hole 3 and the discharging shell 4, the conveying belt 5 conveys the residual coal dust to a recovery area, when the coal is pressed, the blocking plate 7 needs to be moved to the upper side of the coal pressing cavity, then the pressing plate 9 is controlled to move upwards until the coal dust to be detected is pressed into a coal piece to be detected, then the telescopic rod 6 is controlled to shrink, the scraper is enabled to move to the front side of the coal pressing shell 8, finally, the pressing plate 9 is controlled to move upwards continuously, the coal piece to be flush with the workbench 2, then the telescopic rod 6 is controlled to stretch, the telescopic rod 6 can push the push rod 12 and the scraper to move after the coal piece to be detected, and the coal piece to be detected is pushed onto the moving platform 17 on the detection table 16.
Example 3
On the basis of embodiment 1, as shown in fig. 1-2, the upper end of the detection table 16 is provided with a moving platform 17 in a sliding manner along the front-back direction, the left and right ends of the detection table 16 are symmetrically provided with detection plates 15, a coal quality on-line detection assembly 19 is fixedly arranged between the detection plates 15 at the left and right ends, and the coal quality on-line detection assembly 19 is correspondingly arranged on the upper side of the moving platform 17;
the adsorption component comprises adsorption shells 22 symmetrically arranged on the front and back sides of the coal quality online detection component 19, the adsorption shells 22 are communicated with suction pipes 23, the suction pipes 23 are communicated with a first storage shell 24, the first storage shell 24 is fixedly arranged between detection plates 15 at the left end and the right end, the first storage shell 24 is arranged on the upper side of the coal quality online detection component 19 and is used for storing sucked tiny dust particles, a suction pump is mounted on the suction pipes 23, limiting blocks 20 are fixedly arranged at the rear ends of the detection plates 15, collecting shells 21 are correspondingly arranged at the rear ends of the detection platforms 16, and collecting cavities in the collecting shells 21 are used for storing detected coal slices.
The beneficial effects of the technical scheme are as follows:
when the moving platform 17 moves to the lower side of the coal quality online detection component 19, the coal quality online detection component 19 is started to work, the adsorption shell is arranged near the optical focusing element, when the adsorption component works, the suction pump is started, the suction pump sucks micro powder particles into the first storage shell 24 through the suction pipe 23 and the adsorption shell 22,
the optical element comprises an optical focusing element and a spectrum acquisition optical element, the optical focusing element adopts a focusing lens, the spectrum acquisition optical element adopts an acquisition lens, pulse laser emitted by a pulse laser is focused on the surface of a coal sheet through the optical focusing element, particles on the surface of the coal sheet are excited to generate plasmas and attenuate rapidly, photons with specific frequency are radiated in the attenuation process to generate characteristic spectral lines, the spectrum acquisition optical element acquires the characteristic spectral lines and sends the characteristic spectral lines to a spectrometer for analysis, the corresponding spectral line intensity at different wavelengths is in direct proportion to the element content corresponding to the spectral lines, the spectral lines are processed by the spectrometer and then converted into electric signals to be transmitted to a computer, a group of characteristic spectra of the coal sheet to be detected with known element mass concentration is obtained, a laser-induced breakdown spectral characteristic spectral line intensity matrix of various elements in the coal sample is further obtained, n coal samples with known characteristics can be used as calibration samples to establish a large database, the characteristics comprise the element content, volatile content, the moisture content, ash content and ash content of the coal sample to be detected are compared with the difference of the calibration samples in different dimensions (a method for analyzing the coal sample to be detected is 201610065879-based on the quality analysis accuracy of the large database);
after the detection is finished, the moving platform 17 drives the detected coal slices to continue to move to the rear end of the detection platform 16, then the moving platform 17 is controlled to ascend, so that the coal slices are positioned at the rear end of the limiting block 20, the moving platform 17 is controlled to restore to the original position, and the coal slices can fall into the collecting shell 21 for recovery under the action of the limiting block 20.
Example 4
On the basis of the embodiment 1, as shown in fig. 1-3, a feeding plate 13 is fixedly arranged at the upper end of a sampling shell 10, a feeding cavity 14 is penetrated through the feeding plate 13, the feeding cavity 14 is communicated with a sampling cavity 11, one end, far away from the sampling cavity 11, of the feeding cavity 14 is communicated with a discharging pipe 31, the discharging pipe 31 is in sliding connection with the feeding plate 13, and the discharging pipe 31 is connected with a pretreatment mechanism;
the pretreatment mechanism comprises a pretreatment shell 18, a pretreatment cavity is arranged in the pretreatment shell 18, movable cavities 33 are symmetrically arranged at the front end and the rear end of the pretreatment cavity, the pretreatment cavity is communicated with the movable cavities 33, grinding shells are installed at the upper ends of the pretreatment shell 18 in a penetrating mode, grinding cavities 25 are arranged on the grinding shells, the grinding cavities 25 are communicated with the pretreatment cavity, grinding rollers 26 are rotatably arranged at the front side and the rear side of the grinding cavities 25, a lower end discharge hole of the grinding cavities 25 is correspondingly arranged with a screening plate 27, the screening plate 27 is obliquely arranged, the front side of the screening plate 27 is higher than the rear side, the screening plate 27 is movably arranged in the movable cavities 33 and the pretreatment cavity, the rear end of the pretreatment shell 18 is fixedly connected with a storage shell II 30, cavities are formed in the upper end of the storage shell II 30, the screening plate 27 is correspondingly arranged with the cavities of the storage shell II, a screening net 28 is installed on the screening plate 27, the screening net 28 is correspondingly arranged with a discharge shell 29, a mounting block is slidably arranged between the discharge shell 29 and the pretreatment cavity, the discharge shell 29 is slidably connected with a discharge pipe 31, and cams 32 are correspondingly arranged at the front side and the rear side of the discharge shell 29.
The beneficial effects of the technical scheme are as follows:
by arranging the feeding plate 13, when the feeding cavity 14 is correspondingly communicated with the discharging pipe 31, the coal dust to be detected automatically flows into the sampling cavity 11 through the discharging pipe 31, so that the purpose of automatic sampling is realized, and the feeding plate 13 is driven to move when the sampling shell 10 slides, so that the disconnection or the communication between the feeding cavity 14 and the discharging pipe 31 can be controlled;
the pretreatment mechanism can grind the coal to be detected in the sampling place and crush the coal to be detected to reach target coal dust, the coal to be detected in the sampling place enters the grinding cavity 25, the grinding roller 26 is controlled to rotate, the coal to be detected is ground and crushed, the coal to be detected after grinding and crushing falls on the screening net 28, the coal dust reaching the target size flows into the discharging pipe 31 through the discharging shell 29 after screening of the screening net 28, the bottom end of the discharging shell 29 is an inclined end, the coal dust to be detected conveniently flows into the discharging pipe 31, the cam 32 can drive the discharging shell 29 to shake up and down when rotating, the discharging shell 29 drives the mounting block to slide along the pretreatment cavity when vibrating up and down, the discharging shell 29 can not shake when vibrating up and down, the screening plate 27 is driven to vibrate up and down, the screening efficiency of the screening net 28 is improved, the coal dust which can not flow into the cavity of the storage shell two 30 through the movable cavity 33 for recycling, and the coal dust conveniently falls into the storage shell two 30 due to the inclined setting of the screening plate 27.
Example 5
On the basis of embodiment 4, as shown in fig. 1 and 3-4, the device further comprises a functional mechanism, wherein the functional mechanism comprises a first motor 36, the first motor 36 is fixedly arranged at the rear end of the pretreatment shell 18, the first motor 36 is fixedly connected with a first driving shaft 37, a guide groove 38 is arranged at the side end of the first driving shaft 37, the guide groove 38 is slidably connected with a guide ball 39, the guide ball 39 is rotatably arranged in an inner movable cavity of a movable sleeve 40, the movable sleeve 40 is rotatably connected with a rear cam 32 and a guide plate, the first driving shaft 37 is slidably connected with a movable shaft, the movable shaft is fixedly connected with the rear cam 32, the rear cam 32 is fixedly connected with an impact block 35, and the guide plate is slidably connected with the lower end of the pretreatment cavity;
the second motor 53 is fixedly arranged at the front end of the pretreatment shell 18, the second motor 53 is fixedly connected with the second driving shaft, the second driving shaft penetrates through the front end of the pretreatment shell 18 and is in sliding connection with an external sliding sleeve 43, the second driving shaft is fixedly connected with a magnetic block 45, the magnetic block 45 is correspondingly arranged with an electromagnetic block 34, the electromagnetic block 34 is fixedly connected with a second gear 42, a plurality of springs 52 are arranged between the second driving shaft and the second gear 42, the second gear 42 is fixedly connected with the sliding sleeve 43, the second gear 42 is correspondingly meshed with the first gear 41 and the third gear 44, the first gear 41 is fixedly connected with a cam 32 at the front side through a rotating shaft, the rotating shaft penetrates through the front end of the pretreatment shell 18 and enters a pretreatment cavity, the third gear 44 is connected with a conveying mechanism through a connecting shaft, the conveying mechanism is connected with a connecting block 48, the connecting block 48 is in sliding connection with the front end of the pretreatment shell 18, the connecting block 48 is in rotating connection with a cleaning assembly, and the cleaning assembly consists of a plurality of cleaning blocks 49 which are sequentially and rotatably connected from top to bottom;
the conveying mechanism comprises a belt wheel I fixedly connected with a connecting shaft, the belt wheel I is connected with a belt wheel II 46 through a conveying belt, the belt wheel II 46 is fixedly connected with an elliptic block 47 through a fixed shaft 51, the fixed shaft 51 and the connecting shaft are both rotationally connected with the front end of the pretreatment shell 18, open slots 50 are symmetrically arranged at the front end and the rear end of the elliptic block 47, the elliptic block 47 is matched with a groove at the upper end of the connecting block 48, and matching blocks are symmetrically arranged at the left end and the right end of the groove and are in sliding connection with the open slots 50.
The beneficial effects of the technical scheme are as follows:
the motor I36 and the motor II 53 are started, the motor I36 drives the driving shaft I37 to rotate, the guide groove 38 rotates when the driving shaft I37 rotates, the guide groove 38 slides with the guide ball 39 when rotating, so that the movable sleeve 40 connected with the guide ball 39 moves forwards and backwards, the guide plate plays a guiding role in sliding of the movable sleeve 40, the movable sleeve 40 drives the rear cam 32 to move forwards and backwards, meanwhile, the driving shaft I37 also drives the rear cam 32 to rotate, the rear cam 32 rotates while moving, the motor II 53 drives the gear II 42 to rotate through the driving shaft II and the sliding sleeve 43, the gear II 42 drives the gear I41 to rotate, the gear I41 drives the front cam 32 to rotate through the rotating shaft, the front cam 32 and the rear cam 32 drive the discharging shell 29 to vibrate up and down when rotating, the screening speed and the discharging speed of the discharging shell 29 are accelerated, and meanwhile, the collision block 35 can be driven to collide the discharging pipe 31 when the rear cam 32 moves forwards and backwards, and coal dust in the discharging pipe 31 is prevented from being deposited in the pipe;
after finishing the grinding screening and discharging work, the electromagnetic block 34 is powered off, the gear II 42 is restored to the original position under the elastic action of the spring 52, at this time, the gear II 42 drives the sliding sleeve 43 to slide along the driving shaft II, so that the gear II 42 is disengaged from the gear I41, the gear II 42 is engaged with the gear III 44, at this time, the motor I36 is controlled to stop working, the motor II 53 works, so that the gear III 44 rotates, the gear III 44 rotates through the connecting shaft, the pulley I, the pulley II 46, the fixed shaft 51 and the elliptic block 47, the groove on the elliptic block 47 slides with the matching block to drive the connecting block 48 to slide along the front end of the pretreatment shell 18, the connecting block 48 drives the cleaning assembly to move up and down, the cleaning assembly comprises a plurality of cleaning blocks 49, one end of the cleaning blocks 49 away from the pretreatment shell 18 is provided with the cleaning brush, and when the cleaning assembly moves downwards, contacts with the screening plate 27, the cleaning block 49 starts to rotate, and the cleaning brush of the cleaning block 49 is always in contact with the screening net 28 under the action of gravity of the cleaning block 49, the cleaning block 49 is large enough in weight, the cleaning block 49 is prevented from deflecting when moving on the screening net 28, coal dust on the screening net 28 can be brushed by the cleaning brush of the cleaning block 49, the coal dust is fed into the second storage shell 30, the screening net 28 can be automatically cleaned by the setting of the functional mechanism, the discharging speed of the discharging shell 29 and the discharging pipe 31 can be accelerated by the functional mechanism, coal dust deposited in the discharging pipe 31 is avoided, the coal dust in the discharging shell 29 and the discharging pipe 31 can be conveniently and completely discharged, and the coal dust to be detected at different sampling points can be prevented from being mixed together when the coal dust at different sampling points is screened next time, so that the subsequent detecting effect is affected.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a coal quality on-line measuring system based on big data which characterized in that: including workstation (2) and detection platform (16) that correspond to set up around, the last slip of workstation (2) is equipped with sampling shell (10), install push rod (12) and telescopic link (6) on sampling shell (10), install on workstation (2) and press coal shell (8), the pressure coal chamber in pressure coal shell (8) corresponds the intercommunication with sampling cavity (11) in sampling shell (10), the pressure coal chamber is connected with the pressure coal subassembly, it is equipped with moving platform (17) to slide on detection platform (16), moving platform (17) correspond the setting with coal quality on-line measuring subassembly (19), coal quality on-line measuring subassembly (19) correspond the setting with the adsorption module.
2. The big data based coal quality online detection system according to claim 1, wherein: the discharging shell (4) is installed respectively on both sides around the upper end of workstation (2), and discharging shell (4) is fixed to be set up in the lower extreme of workstation (2), and the ejection of compact chamber and a plurality of discharge port (3) of discharging shell (4) correspond the intercommunication, and a plurality of discharge port (3) run through the upper and lower both ends that set up in workstation (2), and the one end that discharge port (3) were kept away from to the ejection of compact chamber corresponds the setting with conveyer belt (5).
3. The big data based coal quality online detection system according to claim 1, wherein: the utility model provides a sampling shell (10) and the upper end sliding connection of workstation (2), sampling chamber (11) are used for placing and wait to detect buggy, the stiff end fixed setting of telescopic link (6) is on mounting panel (1), front end fixed connection of mounting panel (1) and workstation (2), the expansion end of telescopic link (6) and the front end fixed connection of sampling shell (10), the rear end fixed connection of push rod (12) and sampling shell (10), the one end and the scraper fixed connection of sampling shell (10) are kept away from to push rod (12), the upper end contact of scraper and workstation (2).
4. The big data-based coal quality online detection system according to claim 3, wherein: the coal pressing shell (8) is arranged on the workbench (2) in a penetrating mode, the coal pressing assembly comprises a pressing plate (9) which is arranged in a coal pressing cavity in a sliding mode, the coal pressing cavity is correspondingly matched with the blocking plate (7), and the blocking plate (7) is fixedly connected with the movable end of the telescopic rod (6).
5. The big data based coal quality online detection system according to claim 1, wherein: the upper end of the detection table (16) is provided with a moving platform (17) in a sliding manner along the front-back direction, detection plates (15) are symmetrically arranged at the left end and the right end of the detection table (16), a coal quality online detection assembly (19) is fixedly arranged between the detection plates (15) at the left end and the right end, and the coal quality online detection assembly (19) is correspondingly arranged on the upper side of the moving platform (17).
6. The big data based coal quality online detection system according to claim 5, wherein: the adsorption component comprises adsorption shells (22) symmetrically arranged on the front side and the rear side of the coal quality online detection component (19), the adsorption shells (22) are communicated with a suction pipe (23), the suction pipe (23) is communicated with a storage shell I (24), the storage shell I (24) is fixedly arranged between detection plates (15) at the left end and the right end, the storage shell I (24) is arranged on the upper side of the coal quality online detection component (19), a suction pump is arranged on the suction pipe (23), a limiting block (20) is fixedly arranged at the rear end of the detection plate (15), a collection shell (21) is correspondingly arranged at the rear end of a detection table (16), and a collection cavity in the collection shell (21) is used for storing detected coal slices.
7. The big data based coal quality online detection system according to claim 1, wherein: the upper end of sampling shell (10) is fixed to be equipped with feed plate (13), runs through on feed plate (13) and is equipped with feed cavity (14), feed cavity (14) and sampling cavity (11) intercommunication, and feed cavity (14) are kept away from the one end and discharging pipe (31) intercommunication of sampling cavity (11), and discharging pipe (31) and feed plate (13) sliding connection, and discharging pipe (31) are connected with pretreatment mechanism.
8. The big data based on-line coal quality detection system of claim 7, wherein: the pretreatment mechanism comprises a pretreatment shell (18), a pretreatment cavity is arranged in the pretreatment shell (18), movable cavities (33) are symmetrically arranged at the front end and the rear end of the pretreatment shell (18) and are communicated with the movable cavities (33), grinding shells are installed at the upper ends of the pretreatment shell (18) in a penetrating mode, grinding cavities (25) are arranged on the grinding shells, the grinding cavities (25) are communicated with the pretreatment cavity, grinding rollers (26) are arranged on the front side and the rear side of the grinding cavities (25) in a rotating mode, lower end discharge ports of the grinding cavities (25) are correspondingly arranged with screening plates (27), the screening plates (27) are obliquely arranged, the screening plates (27) are movably arranged in the movable cavities (33) and the pretreatment cavity, the rear ends of the pretreatment shell (18) are fixedly connected with storage shells (30), cavities are arranged at the upper ends of the storage shells (30), screening plates (27) are correspondingly arranged with the cavities of the storage shells (30), screening nets (28) are installed on the screening plates (27), the screening nets (28) are correspondingly arranged with the discharge shells (29), the discharge shells are arranged in the pretreatment cavities, the discharge shells (29) and are correspondingly arranged between the pretreatment shells (29) and the pretreatment shells and are correspondingly arranged on the two sides of the discharge shells (29) in a sliding mode, and are correspondingly connected with the lower end of the discharge shells (31) in a sliding mode.
9. The big data based on-line coal quality detection system of claim 8, wherein: still include functional mechanism, functional mechanism includes motor one (36), motor one (36) fixed setting is in the rear end of pretreatment shell (18), motor one (36) and drive shaft one (37) fixed connection, the side of drive shaft one (37) is equipped with guide way (38), guide way (38) and direction ball (39) sliding connection, direction ball (39) rotate and set up in the inside movable chamber of movable sleeve (40), movable sleeve (40) are connected with the cam (32) and the deflector rotation of rear side, drive shaft one (37) and loose axle sliding connection, loose axle and cam (32) fixed connection of rear side, cam (32) and collision piece (35) fixed connection of rear side, deflector and pretreatment chamber's lower extreme sliding connection.
10. The big data based on-line coal quality detection system of claim 8, wherein: the motor II (53) is fixedly arranged at the front end of the pretreatment shell (18), the motor II (53) is fixedly connected with the driving shaft II, the driving shaft II penetrates through the front end of the pretreatment shell (18) and is in sliding connection with an external sliding sleeve (43), the driving shaft II is fixedly connected with a magnetic block (45), the magnetic block (45) is correspondingly arranged with an electromagnetic block (34), the electromagnetic block (34) is fixedly connected with a gear II (42), a plurality of springs (52) are arranged between the driving shaft II and the gear II (42), the gear II (42) is fixedly connected with the sliding sleeve (43), the gear II (42) is correspondingly meshed with a gear I (41) and a gear III (44), the gear I (41) is fixedly connected with a cam (32) at the front side through a rotating shaft, the gear III (44) is connected with a conveying mechanism through a connecting shaft, the conveying mechanism is connected with a connecting block (48), the connecting block (48) is in sliding connection with the front end of the pretreatment shell (18), the connecting block (48) is rotationally connected with a cleaning component, and the cleaning component is composed of a plurality of cleaning blocks (49) which are sequentially rotationally connected from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310944783.8A CN117233129A (en) | 2023-07-28 | 2023-07-28 | Coal quality on-line measuring system based on big data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310944783.8A CN117233129A (en) | 2023-07-28 | 2023-07-28 | Coal quality on-line measuring system based on big data |
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| CN117233129A true CN117233129A (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310944783.8A Pending CN117233129A (en) | 2023-07-28 | 2023-07-28 | Coal quality on-line measuring system based on big data |
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