CN-118287246-B - Material layering management and grinding control system with granularity detection function

Abstract

The embodiment of the invention provides a material layering management and grinding control system with a granularity detection function, which is at least configured to be matched with a material conveying device, a material storage container and a grinding device which are arranged on site, and comprises a control module, a material monitoring module connected with the material conveying device and a three-dimensional scanning module mounted to the material storage container, wherein the control module is respectively in communication connection with the material monitoring module, the three-dimensional scanning module and the grinding device. According to the embodiment of the invention, the material feeding and discharging conditions of multiple batches of materials stored in the material storage container can be monitored by means of establishing the material layering model. Meanwhile, the embodiment of the invention can acquire the container discharging information of the material storage container based on the data interaction and cooperative coordination of the material monitoring module, the three-dimensional scanning module and the control module, and control the crushing and grinding device according to the container discharging information, thereby being beneficial to improving the crushing and grinding efficiency.

Inventors

• HU XIUSHAN
• XIA YANG

Assignees

• 北京锐达仪表有限公司

Dates

Publication Date

20260505

Application Date

20240529

Claims (20)

1. 1. A material layering management and grinding control system with granularity detection function, characterized in that the system is at least configured to be matched with a material conveying device, a material storage container and a grinding device which are arranged on site; The system comprises a material monitoring module, a three-dimensional scanning module and a control module, wherein the control module is respectively in communication connection with the material monitoring module, the three-dimensional scanning module and the grinding device; The material monitoring module is connected with the material conveying device and is at least used for acquiring granularity data of the material on the material conveying device in at least one feeding period and profile data in a second direction; The three-dimensional scanning module is arranged on the material storage container and is at least used for obtaining the internal shape of the container before the 1 st feeding of the material storage container, acquiring the shape data of the material surface, the material granularity distribution and the real-time material volume in the material storage container after each feeding of the material storage container in the time span from the 1 st discharging of the material storage container to the (M-1) th discharging of the material storage container to the M-th discharging of the material storage container, and acquiring the real-time shape data of the material surface and the real-time material volume in the material storage container during each discharging process of the material storage container; The control module is at least used for acquiring and calculating the volume flow of the material in each feeding period according to the characteristic parameters of the material conveying device, the profile data and the displacement data of the material on the material conveying device in the first direction, and acquiring and establishing a real-time material layering model based on the container characteristic parameters, the particle data, the container internal form and the form data so as to adjust the control parameters of the grinding device according to the real-time material layering model in the discharging process; wherein M is more than or equal to 2, and M is a positive integer.
2. 2. The system of claim 1, wherein the first direction is parallel to or at a known acute angle with respect to the direction of displacement of the material transfer device and the second direction is perpendicular to or at a known acute angle with respect to the direction of displacement of the material transfer device.
3. 3. The system of claim 1, wherein the material monitoring module comprises a laser measurement unit; The laser measuring unit is at least used for transmitting measuring signals from a plurality of scanning angles in a set angle range of the second direction in at least one feeding period, receiving reflection signals formed by the measuring signals under each scanning angle through the reflection of materials on the material conveying device, and further summarizing all the reflection signals to obtain profile data in the second direction; The displacement data of the material transfer device in the first direction during at least one of the feed periods is configured to be known; The control module is at least used for analyzing and obtaining the volume flow of the material on the material conveying device in the corresponding feeding period according to the displacement data of the material conveying device in the first direction, the characteristic parameters of the material conveying device and the profile data in the second direction in the corresponding feeding period.
4. 4. The system of claim 1, wherein displacement data of the material transfer device in the first direction over at least one of the feed periods is configured to be measurable; The material monitoring module comprises a laser measuring unit and a speed measuring unit; The laser measuring unit is at least used for transmitting measuring signals from a plurality of scanning angles in a set angle range of the second direction in at least one feeding period, receiving reflection signals formed by the measuring signals under each scanning angle through the reflection of materials on the material conveying device, and further summarizing all the reflection signals to obtain profile data in the second direction; the speed measuring unit is at least used for acquiring displacement data of the material conveying device in the first direction in at least one feeding period; The control module is at least used for analyzing and obtaining the volume flow of the material on the material conveying device in the corresponding feeding period according to the displacement data of the material conveying device in the first direction, the characteristic parameters of the material conveying device and the profile data in the second direction in the corresponding feeding period.
5. 5. The system of claim 1, wherein displacement data of the material transfer device in the first direction over at least one of the feed periods is configured to be measurable; the material monitoring module comprises a laser measuring unit; The laser measuring unit is at least used for emitting two laser beams with preset angles, wherein a first laser beam is emitted to a material positioned in the first direction, the first laser beam is reflected by the material positioned in the first direction to generate a first reflected beam and is received by the laser measuring unit, a second laser beam is emitted to the material positioned in the second direction, and the second laser beam is reflected by the material positioned in the second direction to generate a second reflected beam and is received by the laser measuring unit; The laser measuring unit is at least used for acquiring displacement data of the material on the material conveying device in the first direction according to the first reflection beam, acquiring profile data of the material on the material conveying device in the second direction in at least one feeding period according to the second reflection beam, and acquiring granularity data of the material on the material conveying device in at least one feeding period according to the displacement data in the first direction and the profile data in the second direction.
6. 6. The system of claim 5, wherein the first laser beam forms a first measuring line on the material in the first direction, the laser measuring unit is specifically configured to extract an initial level fluctuation form and an end level fluctuation form on the first measuring line according to the first reflected beam corresponding to a time start point and a time end point in each feeding period, define a seeking width, determine a plurality of peaks and troughs of the initial level fluctuation form and the end level fluctuation form based on the seeking width, and determine displacement of the material in the first direction in at least one shared feeding period or trough according to peak and trough distribution conditions of the initial level fluctuation form and the end level fluctuation form when determining the peaks and troughs, wherein when the level of a certain characteristic point is greater than the level of other characteristic points in the seeking width, the laser measuring unit determines that the characteristic point is at a peak position, and when the level of the certain characteristic point is less than the level of other characteristic points in the seeking width, the laser measuring unit determines that the characteristic point is at a trough position, and the laser measuring unit determines displacement of the material in the first direction according to peak and trough distribution conditions of the initial level fluctuation form and the end level fluctuation form.
7. 7. The system of claim 6, wherein the laser measurement unit sets a deviation threshold, and wherein after a front-to-back error of each of the plurality of common peaks or valleys is less than or equal to the deviation threshold, a displacement of at least one common peak or valley during the feed period is determined to determine displacement data of the material in the first direction.
8. 8. The system according to claim 6, wherein the laser measurement unit is further configured to reject at least abnormal feature points in the ending level fluctuation pattern and the initial level fluctuation pattern.
9. 9. The system of claim 1, wherein displacement data of the material transfer device in the first direction over at least one of the feed periods is configured to be measurable; The material monitoring module comprises a first laser measuring unit and a second laser measuring unit; the first laser measuring unit is at least used for emitting a first laser beam with a first preset angle, the first laser beam is emitted to the material in the first direction, and the first laser beam is reflected by the material in the first direction to generate a first reflected beam and is received by the first laser measuring unit; The second laser measuring unit is at least used for emitting a second laser beam with a second preset angle, the second laser beam is emitted to the material in the second direction, and the second laser beam is reflected by the material in the second direction to generate a second reflected beam and is received by the second laser measuring unit; the first laser measuring unit is at least used for acquiring displacement data of the material on the material conveying device in the first direction according to the first reflection beam; The second laser measuring unit is at least used for acquiring contour data of the material on the material conveying device in the second direction in at least one feeding period according to the second reflection beam, and acquiring particle data of the material on the material conveying device according to the contour data in the second direction and the displacement data in the first direction.
10. 10. The system of claim 9, wherein the first laser beam forms a first measuring line on the material in the first direction, the first laser measuring unit is specifically configured to extract an initial level fluctuation form and an end level fluctuation form on the first measuring line according to the first reflected beam corresponding to a time start point and a time end point in each feeding period, define a seek width, determine a plurality of peaks and troughs of the initial level fluctuation form and the end level fluctuation form based on the seek width, respectively, and determine a displacement of the material in the first direction according to at least one of a distribution of the initial level fluctuation form and the end level fluctuation form, and determine a common displacement of the material in the first direction or the trough in the feeding period when the peak and the trough are determined, wherein the first laser measuring unit determines that a certain characteristic point is located at a peak position when the level of the certain characteristic point is greater than the level of other characteristic points in the seek width, and determines that the first laser measuring unit determines that the characteristic point is located at a trough position when the level of the certain characteristic point is smaller than the level of other characteristic points in the seek width, and the first laser measuring unit determines that the characteristic point is located at a trough position according to the initial level fluctuation form and the peak and the end level fluctuation form.
11. 11. The system of claim 10, wherein the first laser measurement unit sets a deviation threshold, and wherein after a front-to-back error of each of the plurality of common peaks or valleys is less than or equal to the deviation threshold, a displacement of at least one common peak or valley during the feed period is determined to determine displacement data of the material in the first direction.
12. 12. The system according to claim 10, wherein the first laser measurement unit is further configured to reject at least abnormal feature points in the ending level fluctuation pattern and the initial level fluctuation pattern.
13. 13. The system of claim 1, wherein the material monitoring module comprises a laser measurement unit and an image recognition unit; the laser measuring unit is at least used for emitting two laser beams with preset measuring angles, wherein a first laser beam is emitted to a material positioned in the first direction, and a second laser beam is emitted to a material positioned in the second direction; the image recognition unit is at least used for acquiring initial image information and end image information of a time starting point and a time ending point in each feeding period, so as to acquire the granularity data, the displacement data in the first direction and the profile data in the second direction of the material in the corresponding feeding period according to the initial image information and the end image information.
14. 14. The system of claim 13, wherein the image recognition unit is configured to determine a start position and an end position of the material in the first direction based on at least the initial image information and the end image information, respectively, and determine displacement data of the material in the first direction based on the start position and the end position.
15. 15. The system according to claim 14, wherein the image recognition unit is configured to determine a start position and an end position of one or more preset feature points of the material in the first direction based on at least the initial image information and the end image information, and determine displacement data of the material in the first direction based on a difference between the start position and the end position.
16. 16. The system of claim 14, wherein the image recognition unit is configured to cover at least a first measurement line formed by the material monitoring module in the first direction, the image recognition unit is specifically configured to extract an initial level fluctuation form located on the first measurement line in the initial image information and an end level fluctuation form located on the first measurement line in the end image information, define a seek width, determine a plurality of peaks and troughs of the initial level fluctuation form and the end level fluctuation form based on the seek width, respectively, determine a displacement of the material in the first direction when determining the peaks and troughs, and determine the displacement of the material in the first direction when determining the displacement of the material in the first direction when the level of a certain feature point is greater than the level of other feature points in the seek width, and determine the displacement of the material in the first direction when the level of the certain feature point is less than the level of other feature points in the seek width.
17. 17. The system of claim 16, wherein the image recognition unit sets a deviation threshold, and wherein after the errors before and after the plurality of common peaks or valleys are each less than or equal to the deviation threshold, the displacement of at least one common peak or valley during the feed period is determined to determine displacement data for the material in the first direction.
18. 18. The system according to claim 16, wherein the image recognition unit is further configured to reject at least abnormal feature points in the ending level fluctuation pattern and the initial level fluctuation pattern.
19. 19. The system of claim 1, wherein the control module is configured to obtain and determine a real-time discharge form of the initial material stratification model based on at least the internal form of the container, the particle data, the particle size distribution of the material, and all of the material morphology data before the 1 st discharge of the material storage container, and to adjust a distribution of the material of each layer in the initial material stratification model based on the real-time discharge form during any one discharge of the material storage container to obtain a real-time material stratification model based on the material stratification model after the (M-1) th discharge of the material storage container and all of the material morphology data during a time span from the (M-1) th discharge to the M-th discharge of the material storage container, and to determine the initial material stratification model based on the container characteristic parameters and the material characteristic parameters of each layer of the material in the initial material stratification model, and to adjust the real-time grinding process according to the real-time grinding process parameters of the control device in the material stratification model; wherein, the control parameter of the grinding device at least comprises one of grinding power, working current and opening degree.
20. 20. The system of claim 19, wherein the three-dimensional scanning module is further configured to determine at least a time of acquisition of the material morphology data after each feed of the material storage container and upload the time to the control module; The control module is at least used for corresponding the acquisition time of the material form data after each feeding of the material storage container and the volume flow and the particle data of the material in each feeding period to each layer of material in the material layering model so as to generate management information of the material layering model; Wherein the management information includes at least one of time management information, volume flow management information, and granularity management information.

Description

Material layering management and grinding control system with granularity detection function Technical Field The embodiment of the invention relates to the technical field of industrial measurement, in particular to a material layering management and grinding control system with a granularity detection function. Background At present, the crushing and grinding process in the mine industry utilizes energy to extrude, impact and grind ores through a crushing and grinding device, so that useful mineral monomers in the ores are cleaved, and the process of selecting in the next stage is facilitated. However, the control logic of the conventional grinding device is too dead and easily separated from the actual site, and the grinding efficiency is low. Disclosure of Invention The embodiment of the invention provides a material layering management and grinding control system with a granularity detection function, which is used for monitoring the feeding and discharging conditions of multiple batches of materials stored in a material storage container, controlling a grinding device based on the discharging information of the material storage container and being beneficial to improving the grinding efficiency. The embodiment of the invention provides a material layering management and grinding control system with a granularity detection function, which is characterized in that the system is at least configured to be matched with a material conveying device, a material storage container and a grinding device which are arranged on site; The system comprises a material monitoring module, a three-dimensional scanning module and a control module, wherein the control module is respectively in communication connection with the material monitoring module, the three-dimensional scanning module and the grinding device; The material monitoring module is connected with the material conveying device and is at least used for acquiring granularity data of the material on the material conveying device in at least one feeding period and profile data in a second direction; The three-dimensional scanning module is arranged on the material storage container and is at least used for obtaining the internal shape of the container before the 1 st feeding of the material storage container, acquiring the shape data of the material surface, the material granularity distribution and the real-time material volume in the material storage container after each feeding of the material storage container in the time span from the 1 st discharging of the material storage container to the (M-1) th discharging of the material storage container to the M-th discharging of the material storage container, and acquiring the real-time shape data of the material surface and the real-time material volume in the material storage container during each discharging process of the material storage container; The control module is at least used for acquiring and calculating the volume flow of the material in each feeding period according to the characteristic parameters of the material conveying device, the profile data and the displacement data of the material on the material conveying device in the first direction, and acquiring and establishing a real-time material layering model based on the container characteristic parameters, the particle data, the container internal form and the form data so as to adjust the control parameters of the grinding device according to the real-time material layering model in the discharging process; wherein M is more than or equal to 2, and M is a positive integer. Optionally, the first direction is parallel to or at a known acute angle with respect to the displacement direction of the material handling device, and the second direction is perpendicular to or at a known acute angle with respect to the displacement direction of the material handling device. Optionally, the material monitoring module comprises a laser measuring unit; The laser measuring unit is at least used for transmitting measuring signals from a plurality of scanning angles in a set angle range of the second direction in at least one feeding period, receiving reflection signals formed by the measuring signals under each scanning angle through the reflection of materials on the material conveying device, and further summarizing all the reflection signals to obtain profile data in the second direction; The displacement data of the material transfer device in the first direction during at least one of the feed periods is configured to be known; The control module is at least used for analyzing and obtaining the volume flow of the material on the material conveying device in the corresponding feeding period according to the displacement data of the material conveying device in the first direction, the characteristic parameters of the material conveying device and the profile data in the second direction in the corresponding feeding period. Optionally, displacement data