CN117943308A - Sorting equipment capable of discharging dust and combining surface double-sided reflection imaging and ray imaging - Google Patents
Sorting equipment capable of discharging dust and combining surface double-sided reflection imaging and ray imaging Download PDFInfo
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- CN117943308A CN117943308A CN202410357478.3A CN202410357478A CN117943308A CN 117943308 A CN117943308 A CN 117943308A CN 202410357478 A CN202410357478 A CN 202410357478A CN 117943308 A CN117943308 A CN 117943308A
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- 239000000428 dust Substances 0.000 title claims abstract description 79
- 238000003384 imaging method Methods 0.000 title claims abstract description 68
- 238000007599 discharging Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000007921 spray Substances 0.000 claims abstract description 39
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 230000010354 integration Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000012141 concentrate Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000002601 radiography Methods 0.000 claims 5
- 239000005871 repellent Substances 0.000 claims 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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Abstract
The invention discloses a sorting device capable of discharging dust and combining surface double-sided reflection imaging and ray imaging, which relates to the technical field of ore sorting, and comprises a device shell and a control panel, wherein a material conveying belt assembly is fixedly arranged in the device shell, a sensor assembly is arranged below the tail end of the material conveying belt assembly, and the control panel comprises an image information integration unit, a ray information statistics unit, a model building unit, an airflow guiding analysis unit and a spray valve control unit; according to the invention, through the drainage channel formed between the wind scooper and the dust exhaust collecting rail, upward airflow and downward airflow are guided to the dust exhaust collecting rail through the blowing guide and are further transmitted to the dust exhaust port outside the equipment shell through the dust exhaust collecting rail, so that environmental pollution is avoided, meanwhile, the dust impurity pollution imaging area is reduced, the double-sided imaging quality and stability are improved, and furthermore, the opening of the target spray valve is precisely controlled through the intelligent sorting system, the sorting accuracy is improved, and the dust exhaust effect is ensured.
Description
Technical Field
The invention relates to the technical field of ore sorting, in particular to sorting equipment capable of discharging dust and combining surface double-sided reflection imaging and ray imaging.
Background
Along with the rapid development of various fields of modern industry, the demand of the market for ores, especially metal ores, is increasing, and meanwhile, the grade requirement for ores is also increasing, however, many mining modes are still behind, ore sorting is finished by manual sorting, workers need to bear long-time machine noise and dust infection, and the modes have low production efficiency, high sorting economic cost and low sorting precision.
The existing ore sorting mechanism is used for feeding ores through vibration, then the ores fall onto a conveying belt, tailings and concentrates are judged through X-ray imaging detection, the ores after identification are conveyed to the tail end through the conveying belt, accurate striking is achieved through high-speed air flow generated by a nozzle of an actuating mechanism according to a judging result, the concentrates and the tailings fall into different collecting bins respectively, such as a concentrate bin and a tailings bin, and effective separation and sorting of the concentrates and the tailings are achieved.
However, because the ores are different in size and are mixed with a lot of dust particles, dust pollution is easily caused in the equipment, and a lot of dust is accumulated in the equipment, so that the accuracy of ray sorting is easily reduced, a dust discharging mechanism is required to be arranged for discharging dust from the equipment, but the air flow fluctuation in a shell of the equipment is easily caused by adopting wind power dust discharging, the original movement track of the ores can be changed in the sorting process of a spray valve, and the sorting failure is also caused;
in view of the technical drawbacks described above, solutions are now proposed.
Disclosure of Invention
The invention aims at: through the drainage channel that forms between wind scooper and the dust removal collection track, up air current and down air current are concentrated through blowing guide to dust removal collection track, and then through dust removal collection track transmission to the outside dust exhaust mouth of equipment casing, this in-process is at the dust exhaust mouth end-mounting gas washer device of taking induced draft, avoids causing environmental pollution, opens through intelligent separation system accurate control target spray valve simultaneously, has improved the separation accuracy and has guaranteed the dust removal effect simultaneously.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a but sorting equipment of dust-discharging's surface double-sided reflection formation of image and ray imaging combination, includes equipment casing and control panel, the inside of equipment casing has set firmly fortune material belt module, the terminal below of fortune material belt module is equipped with the sensor module, the inside of equipment casing has set firmly the spray valve and strikes the subassembly, the inside of equipment casing has set firmly the ray imaging subassembly, the inside of equipment casing has set firmly two sets of relative light source subassembly, two sets of the light source subassembly is listed as the outside both sides of ray imaging subassembly, the inside of equipment casing has set firmly two sets of camera imaging subassembly, two sets of camera imaging subassembly are listed as the outside of light source subassembly, two sets of form between the camera imaging subassembly and select separately the chamber, the spray valve strikes the central point that the subassembly located the chamber, the inside of equipment casing has set firmly dust discharging mechanism, dust discharging mechanism distributes in the outside that selects separately the chamber;
The dust exhaust mechanism comprises a fan, the fan is fixedly arranged on the top surface of the equipment shell, and the output end surface of the fan is connected with a wind scooper;
The control panel comprises an image information integration unit, a ray information statistics unit, a model building unit, an airflow guiding analysis unit and a spray valve control unit, wherein the image information integration unit is used for integrating the air flow of the air conditioner;
The ray information statistics unit acquires ray feedback information of the mine through the ray imaging assembly and sends the ray feedback information to the model building unit, wherein the ray feedback information comprises characteristic ray energy of each ray bundle, feedback energy of each ray bundle and feedback ray bundle distribution areas, and judges tailing signals according to ore feedback information and sends the tailing signals to the spray valve control unit;
The airflow guiding analysis unit acquires airflow information and dust density data in the sorting cavity to calculate a comprehensive direction-wrapping influence coefficient of airflow, wherein the airflow information comprises wind speed data of an output end of a fan, wind speed data and a wind direction included angle of an output end of a wind scooper, and a pre-movable track of an ore counterweight model under the comprehensive direction-wrapping influence coefficient is analyzed based on a digital twin model and sent to the spray valve control unit;
the spray valve control unit marks a plurality of spray valves in the spray valve assembly, obtains a pre-movable track of the ore and a tailing judgment signal, processes the pre-movable track of the ore, obtains a mark value of a target spray valve based on the pre-movable track of the ore, and controls the target spray valve to be opened.
Further, the image information integrating unit respectively acquires image information of the ore through two groups of camera imaging assemblies and sends the image information to the model building unit and the airflow guiding analysis unit, wherein the image information comprises an A-plane image and a B-plane image of the ore, initial position coordinates of the ore reaching the sorting cavity and initial speed;
the model building unit is used for obtaining image information and ray feedback information as a model basis to build an ore model, building an appearance model of the ore according to the image information, filling a feedback ray beam distribution area into the appearance model as model longitudinal data to obtain an ore counterweight model, obtaining initial position coordinates of the ore reaching a sorting cavity, and outputting the initial position coordinates of the ore reaching the sorting cavity to the airflow guiding analysis unit in a mode of marking the space coordinates of the model.
Further, the one end of wind scooper extends to the spray valve and strikes the subassembly top, the inside dust exhaust collection track that is provided with of equipment casing, dust exhaust collection track's one end extends to the equipment casing outside, dust exhaust collection track's one end is equipped with the dust exhaust mouth, form the dust exhaust runner between dust exhaust collection track's the other end and the one end of wind scooper.
Further, a material distributing plate is arranged in the sorting cavity, the material distributing plate is fixedly arranged on the outer side face of the sensor assembly, and a tailing collecting cavity is arranged below the material distributing plate.
Further, the specific method for judging the tailing signal according to the ore feedback information comprises the following steps:
S101, acquiring characteristic ray energy E1 of each ray bundle of ore and feedback energy E2 of each ray bundle, wherein the characteristic ray energy is an energy value of a characteristic ray emitted by a ray imaging assembly, the feedback energy is an energy value of a feedback ray obtained by reflecting the characteristic ray through the ore, when the feedback energy is larger, the energy which indicates that the characteristic ray is absorbed is smaller, the content of effective substances in the surface ore is larger, and otherwise, when the feedback energy is smaller, the content of the effective substances in the surface ore is reduced;
the radiation absorptivity Wij of each ray bundle is calculated according to a normalization formula: Wherein k is a response parameter of an energy detector in the radiation imaging assembly, and the absorption state of the ore on the characteristic rays is reflected through the radiation absorption rate, the larger the radiation absorption rate is, the smaller the content ratio of effective substances in the ore on the surface is, and otherwise, the smaller the radiation absorption rate is, the content ratio of the effective substances in the ore on the surface is increased;
s102, calculating a mass ratio coefficient Rh of substances in the ore according to the radiation absorptivity Wij and the feedback ray beam distribution area S: wherein n is the total number of beams, which increase with the projected area of the ore;
S103, presetting a quality threshold Rmax, wherein the quality threshold Rmax represents the lowest threshold value that the mass of effective substances in ores accounts for the total mass of the ores, and judging the ores which do not reach the lowest threshold value as tailings;
thus, if Rh is more than or equal to Rmax, a concentrate signal is generated;
and if Rh is less than Rmax, tailing concentrate signals.
Further, the process of establishing an ore counterweight model and performing counterweight analysis is as follows:
s201, acquiring an A-plane image and a B-plane image of the ore, carrying out gray processing on the A-plane image and the B-plane image of the ore, then scanning and superposing the A-plane image and the B-plane image, and inputting the A-plane image and the B-plane image into a three-dimensional imaging system by taking the transverse direction as the standard axis direction to generate an appearance model of the ore, wherein the transverse parameter of the appearance model is a preset X unit value;
S202, acquiring a feedback ray beam distribution area of ore, transversely comparing the feedback ray beam distribution area with an appearance model to obtain an invalid edge area of the appearance model, and removing the invalid edge area from the appearance model to obtain an accurate appearance model;
s203, acquiring feedback energy of each ray bundle, comparing the feedback energy E2 of each ray bundle with the refined model, acquiring a target ray bundle, and carrying out grading marking processing on the feedback energy E2 of the target ray bundle to obtain an ore model:
Presetting the grading ranges of the feedback energy as (Ep, et) and (Et, ek), and filling and marking a corresponding target ray beam distribution area on the appearance model by adopting a gray value bR when the feedback energy E2 is smaller than Ep;
When the feedback energy E2 is more than or equal to Ep and less than Et, filling marks are carried out on the appearance model by adopting gray values μbR in the corresponding target ray beam distribution areas;
When the feedback energy E2 is larger than or equal to Et and smaller than Ek, filling marks are carried out on the appearance model by adopting a gray value rho bR in a corresponding target ray beam distribution area;
When the feedback energy E2 is greater than or equal to Ek, filling marks are carried out on the appearance model by adopting a gray value sigma nR in a corresponding target ray beam distribution area, wherein b, mu, rho and sigma are all preset set values, the values of the values are in an ascending trend, and the multiple difference among the gray values is represented;
s204, calculating a weight coefficient Yik of the ore model according to the following formula: Wherein S1 is the area of the target ray beam distribution area with the gray value bR, S2 is the area of the target ray beam distribution area with the gray value μbR, S3 is the area of the target ray beam distribution area with the gray value ρbR, and S4 is the area of the target ray beam distribution area with the gray value σnR.
Further, the process of calculating the comprehensive wind direction influence coefficient of the airflow is as follows:
S301, acquiring wind speed data V1 of an output end of a fan, wind speed data V1 of an output end of a wind scooper, a wind direction included angle theta and dust density data phi in a sorting cavity;
S302, calculating a comprehensive winding influence coefficient Uli of the air flow according to the following formula: Wherein e1, e2 and e3 are weight correction coefficients, and e1 is greater than e3 and greater than e2, e1+e2+e3=3.14.
Further, the process of obtaining the pre-movable track based on the digital twin model analysis is as follows:
S401, establishing a three-dimensional space coordinate system by using the space edge of the separation cavity, and acquiring initial position coordinates (x 0, y0, z 0) and initial speed V0 of the ore reaching the separation cavity;
S402, presetting the movement time of the ore as t, and calculating coordinates (xp, yp, zp) of the pre-falling point of the ore according to a parabolic movement formula:
wherein e4 is an influence proportionality coefficient of the comprehensive winding influence coefficient Uli on the movement distance of the ore in the x-axis direction, the comprehensive winding influence coefficient Uli and the displacement distance of the ore in the x-axis direction are in a negative correlation, the larger the comprehensive winding influence coefficient Uli is, the smaller the displacement distance of the ore in the x-axis direction is, otherwise, the smaller the comprehensive winding influence coefficient Uli is, and the displacement distance of the ore in the x-axis direction is increased;
wherein e5 is an influence proportionality coefficient of the comprehensive winding influence coefficient Uli on the movement distance of the ore in the y-axis direction, the comprehensive winding influence coefficient Uli and the displacement distance of the ore in the y-axis direction form a positive correlation, the larger the comprehensive winding influence coefficient Uli is, the larger the displacement distance of the ore in the y-axis direction is, otherwise, the smaller the comprehensive winding influence coefficient Uli is, and the displacement distance of the ore in the y-axis direction is reduced accordingly;
Wherein e6 is an influence proportionality coefficient of the comprehensive winding influence coefficient Uli on the movement distance of the ore in the z-axis direction, the comprehensive winding influence coefficient Uli and the displacement distance of the ore in the z-axis direction form a negative correlation, the larger the comprehensive winding influence coefficient Uli is, the smaller the displacement distance of the ore in the z-axis direction is, otherwise, the smaller the comprehensive winding influence coefficient Uli is, and the displacement distance of the ore in the z-axis direction is increased;
s403, drawing a premovable track of the ore in a three-dimensional space coordinate system according to the initial position coordinate and the position coordinate of the prefalling point.
Further, the shale shaker material structure includes the bracket component, rubber spring is installed on the bracket component top, the vibration frame is installed on rubber spring's top, and the mid-mounting of vibration frame has the shale shaker face, the shale shaker face is adapted with vibrating subassembly, the top surface clearance of shale shaker face is equipped with samming subassembly and feeding buffer assembly, one side of shale shaker face is equipped with the flitch, the flitch extends to the top surface of fortune material belt module, feeding buffer assembly locates samming subassembly one side, and feeding buffer assembly locates between flitch and the samming subassembly.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. This but surface double-sided reflection imaging of dust exhaust and ray imaging combined sorting facilities send gas into equipment casing through the fan, and then through the exhaust channel that forms between wind scooper and the dust exhaust collection track, it is concentrated to up air current and down air current through blowing guide toward dust exhaust collection track, and then through dust exhaust collection track transmission to the outside dust exhaust mouth of equipment casing, this in-process installs the gas washer device that takes induced draft at the dust exhaust mouth end, avoid causing environmental pollution, reduce dust impurity pollution imaging area simultaneously, improve double-sided imaging quality and stability.
2. The sorting equipment combining surface double-sided reflection imaging and ray imaging capable of discharging dust respectively acquires image information of ores through two groups of camera imaging components and sends the image information to a model building unit and an airflow guiding analysis unit, further judges tailing signals according to ore feedback information and sends the tailing signals to a blast valve control unit, obtains an ore counterweight model according to the image information, and the comprehensive winding direction influence coefficient of the air flow is calculated by acquiring the air flow information and the dust density data in the sorting cavity, the pre-movable track of the ore counterweight model under the comprehensive winding direction influence coefficient is analyzed based on the digital twin model and sent to the spray valve control unit, the marking value of the target spray valve is acquired according to the pre-movable track of the ore, the opening of the target spray valve is controlled, the sorting accuracy is improved, and meanwhile, the dust discharging effect is ensured.
Drawings
FIG. 1 shows a partial schematic construction of the present invention;
FIG. 2 is an enlarged schematic view of the portion A of FIG. 1 according to the present invention;
FIG. 3 shows another angular overall exterior schematic of the present invention;
FIG. 4 shows a schematic of the overall internal structure of the present invention;
FIG. 5 shows a schematic diagram of the intelligent sorting system of the present invention;
FIG. 6 shows a schematic overall structure of the present invention;
legend description: 1. an equipment housing; 2. a material conveying belt assembly; 3. a sensor assembly; 4. a spray valve striking assembly; 5. a radiation imaging assembly; 6. a light source assembly; 7. a camera imaging assembly; 8. a sorting chamber; 9. a wind scooper; 10. a dust-discharging collecting rail; 11. a dust discharge port; 12. a dust discharge flow passage; 13. a material dividing plate; 14. a tailings collection chamber; 15. a blower; 16. a rubber spring; 17. a bracket assembly; 18. a feed buffer assembly; 19. a material homogenizing component; 20. a vibration assembly; 21. a vibrating screen surface; 22. and a discharging plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
As shown in figures 1-4 of the drawings,
The invention provides sorting equipment with dust-discharging surface double-sided reflection imaging and ray imaging combination, which comprises an equipment shell 1, wherein a material conveying belt assembly 2 is fixedly arranged in the equipment shell 1, the front end of the material conveying belt assembly 2 is provided with a vibrating screen material structure which is used for screening ores, assisting uniform feeding and further dewatering, a sensor assembly 3 is arranged below the tail end of the material conveying belt assembly 2, a spray valve striking assembly 4 is fixedly arranged in the equipment shell 1, a ray imaging assembly 5 is fixedly arranged in the equipment shell 1, two groups of opposite light source assemblies 6 are fixedly arranged in the equipment shell 1, the two groups of light source assemblies 6 are respectively arranged on the two sides of the ray imaging assembly 5, two groups of camera imaging assemblies 7 are respectively arranged on the outer sides of the light source assemblies 6 in the equipment shell 1, a sorting cavity 8 is formed between the two groups of camera imaging assemblies, the spray valve striking assembly 4 is arranged at the central position of the sorting cavity 8, a dust discharging mechanism is fixedly arranged in the equipment shell 1, and the dust discharging mechanism is distributed outside the sorting cavity 8;
The dust exhaust mechanism comprises a fan 15, the fan 15 is fixedly arranged on the top end surface of the equipment shell 1, the output end surface of the fan 15 is connected with a wind scooper 9, one end of the wind scooper 9 extends to the upper part of the jet valve striking component 4, a dust exhaust collecting rail 10 is arranged in the equipment shell 1, one end of the dust exhaust collecting rail 10 extends to the outer side of the equipment shell 1, a dust exhaust port 11 is arranged at one end of the dust exhaust collecting rail 10, and a dust exhaust flow passage 12 is formed between the other end of the dust exhaust collecting rail 10 and one end of the wind scooper 9;
A separating plate 13 is arranged in the separating cavity 8, the separating plate 13 is fixedly arranged on the outer side face of the sensor assembly 3, and a tailing collecting cavity 14 is arranged below the separating plate 13.
The working principle is as follows: the ore is transported to a material transporting belt assembly 2 by a vibrating screen, transported to a sorting cavity 8 by the material transporting belt assembly 2, the ore is in a free falling body motion with an initial speed in a motion state when the ore falls from a belt, the ray imaging assembly 5 receives ray information when the ore falls to a horizontal position with a detector in the sensor assembly 3, meanwhile, a camera imaging assembly 7 shoots a live image of the ore, acquires image information of the ore, both the image information and the ray information are transmitted to a control panel, and after sorting by the control panel, the ore is screened and hit after falling to a horizontal position with a nozzle opening of a spray valve, and the screened tailings enter a tailings collecting cavity 14;
Dust impurities attached to the surface of ores are brought into the equipment shell 1, an upward or downward air flow is formed through the striking of a spray valve, the dust and other impurities in the inner cavity are accumulated more and more, the air is sent into the equipment shell 1 through a fan 15, then the upward air flow and the downward air flow are guided to the dust collection track 10 through the air blowing through a drainage channel formed between the air guide cover 9 and the dust collection track 10, and then the upward air flow and the downward air flow are transmitted to a dust discharge port 11 outside the equipment shell 1 through the dust collection track 10, and an air washer device with an air suction function is arranged at the tail end of the dust discharge port 11 in the process, so that environmental pollution is avoided;
When the blast valve hits ores, air flow and excited dust impurities are formed to run upwards, imaging quality can be polluted through the imaging detection point, air is supplemented into the equipment shell 1 through the fan, the internal dust impurities are discharged through a uniform channel and are not scattered in the equipment shell 1, and the output air quantity of the fan can be adjusted according to the striking quantity of the blast valve.
The vibrating screen material structure comprises a support assembly 17, a rubber spring 16 is arranged at the top end of the support assembly 17, a vibrating frame is arranged at the top end of the rubber spring 16, a vibrating screen surface 21 is arranged in the middle of the vibrating frame, a vibrating assembly 20 is adapted to the vibrating screen surface 21, the vibrating assembly 20 is used for driving the vibrating assembly 20 to vibrate, a material homogenizing assembly 19 and a feeding buffer assembly 18 are arranged in a gap on the top surface of the vibrating screen surface 21, a discharging plate 22 is arranged on one side of the vibrating screen surface 21, the discharging plate 22 extends to the top surface of the material conveying belt assembly 2 and is used for receiving materials uniformly scattered by the material conveying belt assembly 2, the feeding buffer assembly 18 is arranged on one side of the material homogenizing assembly 19, the feeding buffer assembly 18 is arranged between the discharging plate 22 and the material homogenizing assembly 19, and the feeding buffer assembly 18 is used for reducing vertical falling of ores and directly smashing the screen surface, and prolonging the service life of the screen surface; and the material homogenizing component 19, because the width of the front-end feeding belt is far smaller than the width of the vibrating screen surface, the ore falls into the screen surface and is mainly concentrated in the middle, and the material homogenizing component 19 can scatter the ore towards two sides, so that the ore on the screen surface is uniformly distributed.
Example 2:
As shown in figure 5 of the drawings,
The invention provides sorting equipment capable of discharging dust and combining surface double-sided reflection imaging and radiation imaging, which comprises an equipment shell 1 and a control panel, wherein the control panel comprises an image information integration unit, a radiation information statistics unit, a model building unit, an airflow guiding analysis unit and a spray valve control unit;
The working principle is as follows:
The method comprises the steps that firstly, an image information integration unit respectively obtains image information of ores through two groups of camera imaging assemblies 7 and sends the image information to a model building unit and an airflow guiding analysis unit, wherein the image information comprises an A-plane image and a B-plane image of the ores, initial position coordinates of the ores reaching a sorting cavity 8 and initial speed;
The ray information statistics unit acquires ray feedback information of the mine through the ray imaging assembly 5 and sends the ray feedback information to the model building unit, wherein the ray feedback information comprises characteristic ray energy of each ray bundle, feedback energy of each ray bundle and feedback ray bundle distribution areas, and tailings signals are judged according to ore feedback information and sent to the spray valve control unit;
The specific method for judging the tailing signals according to the ore feedback information comprises the following steps:
S101, acquiring characteristic ray energy E1 of each ray bundle of ore and feedback energy E2 of each ray bundle, wherein the characteristic ray energy is an energy value of a characteristic ray emitted by a ray imaging assembly, the feedback energy is an energy value of a feedback ray obtained by reflecting the characteristic ray through the ore, when the feedback energy is larger, the energy which indicates that the characteristic ray is absorbed is smaller, the content of effective substances in the surface ore is larger, and otherwise, when the feedback energy is smaller, the content of the effective substances in the surface ore is reduced;
the radiation absorptivity Wij of each ray bundle is calculated according to a normalization formula: Wherein k is a response parameter of an energy detector in the radiation imaging assembly 5, and the absorption state of the ore on the characteristic rays is reflected through the radiation absorptivity, the larger the radiation absorptivity is, the smaller the content ratio of the effective substances in the ore on the surface is, and the smaller the radiation absorptivity is, the content ratio of the effective substances in the ore on the surface is increased accordingly;
s102, calculating a mass ratio coefficient Rh of substances in the ore according to the radiation absorptivity Wij and the feedback ray beam distribution area S: wherein n is the total number of beams, which increase with the projected area of the ore;
S103, presetting a quality threshold Rmax, wherein the quality threshold Rmax represents the lowest threshold value that the mass of effective substances in ores accounts for the total mass of the ores, and judging the ores which do not reach the lowest threshold value as tailings;
thus, if Rh is more than or equal to Rmax, a concentrate signal is generated;
and if Rh is less than Rmax, tailing concentrate signals.
Step three, a model building unit obtains image information and ray feedback information as a model basis to build an ore model, an appearance model of the ore is built according to the image information, a feedback ray beam distribution area is used as model longitudinal data to be filled into the appearance model to obtain an ore counterweight model, and initial position coordinates of the ore reaching a sorting cavity 8 are obtained to be output to an airflow guiding analysis unit in the form of space coordinates of a marking model;
the process of establishing an ore counterweight model and performing counterweight analysis is as follows:
s201, acquiring an A-plane image and a B-plane image of the ore, carrying out gray processing on the A-plane image and the B-plane image of the ore, then scanning and superposing the A-plane image and the B-plane image, and inputting the A-plane image and the B-plane image into a three-dimensional imaging system by taking the transverse direction as the standard axis direction to generate an appearance model of the ore, wherein the transverse parameter of the appearance model is a preset X unit value;
S202, acquiring a feedback ray beam distribution area of ore, transversely comparing the feedback ray beam distribution area with an appearance model to obtain an invalid edge area of the appearance model, and removing the invalid edge area from the appearance model to obtain an accurate appearance model;
s203, acquiring feedback energy of each ray bundle, comparing the feedback energy E2 of each ray bundle with the refined model, acquiring a target ray bundle, and carrying out grading marking processing on the feedback energy E2 of the target ray bundle to obtain an ore model:
Presetting the grading ranges of the feedback energy as (Ep, et) and (Et, ek), and filling and marking a corresponding target ray beam distribution area on the appearance model by adopting a gray value bR when the feedback energy E2 is smaller than Ep;
When the feedback energy E2 is more than or equal to Ep and less than Et, filling marks are carried out on the appearance model by adopting gray values μbR in the corresponding target ray beam distribution areas;
When the feedback energy E2 is larger than or equal to Et and smaller than Ek, filling marks are carried out on the appearance model by adopting a gray value rho bR in a corresponding target ray beam distribution area;
When the feedback energy E2 is greater than or equal to Ek, filling marks are carried out on the appearance model by adopting a gray value sigma nR in a corresponding target ray beam distribution area, wherein b, mu, rho and sigma are all preset set values, the values of the values are in an ascending trend, and the multiple difference among the gray values is represented;
s204, calculating a weight coefficient Yik of the ore model according to the following formula: Wherein S1 is the area of the target ray beam distribution area with the gray value bR, S2 is the area of the target ray beam distribution area with the gray value μbR, S3 is the area of the target ray beam distribution area with the gray value ρbR, and S4 is the area of the target ray beam distribution area with the gray value σnR.
Step four, an airflow guiding analysis unit obtains airflow information and dust density data in a separation cavity 8 to calculate a comprehensive direction-around influence coefficient of airflow, wherein the airflow information comprises wind speed data of an output end of a fan 15, wind speed data and a wind direction included angle of an output end of a wind scooper 9, and a pre-movable track of an ore counterweight model under the comprehensive direction-around influence coefficient is analyzed based on a digital twin model and sent to a spray valve control unit;
the process of calculating the comprehensive wind direction influence coefficient of the airflow is as follows:
S301, acquiring wind speed data V1 of an output end of a fan 15, wind speed data V1 of an output end of a wind scooper 9, a wind direction included angle theta and dust density data phi in a sorting cavity 8;
S302, calculating a comprehensive winding influence coefficient Uli of the air flow according to the following formula: Wherein e1, e2 and e3 are weight correction coefficients, and e1 is greater than e3 and greater than e2, e1+e2+e3=3.14.
The process of obtaining the pre-movable track based on the digital twin model analysis is as follows:
S401, establishing a three-dimensional space coordinate system by using the space edge of the separation cavity 8, and acquiring initial position coordinates (x 0, y0, z 0) and initial speed V0 of the ore reaching the separation cavity 8;
S402, presetting the movement time of the ore as t, and calculating coordinates (xp, yp, zp) of the pre-falling point of the ore according to a parabolic movement formula:
wherein e4 is an influence proportionality coefficient of the comprehensive winding influence coefficient Uli on the movement distance of the ore in the x-axis direction, the comprehensive winding influence coefficient Uli and the displacement distance of the ore in the x-axis direction are in a negative correlation, the larger the comprehensive winding influence coefficient Uli is, the smaller the displacement distance of the ore in the x-axis direction is, otherwise, the smaller the comprehensive winding influence coefficient Uli is, and the displacement distance of the ore in the x-axis direction is increased;
wherein e5 is an influence proportionality coefficient of the comprehensive winding influence coefficient Uli on the movement distance of the ore in the y-axis direction, the comprehensive winding influence coefficient Uli and the displacement distance of the ore in the y-axis direction form a positive correlation, the larger the comprehensive winding influence coefficient Uli is, the larger the displacement distance of the ore in the y-axis direction is, otherwise, the smaller the comprehensive winding influence coefficient Uli is, and the displacement distance of the ore in the y-axis direction is reduced accordingly;
Wherein e6 is an influence proportionality coefficient of the comprehensive winding influence coefficient Uli on the movement distance of the ore in the z-axis direction, the comprehensive winding influence coefficient Uli and the displacement distance of the ore in the z-axis direction form a negative correlation, the larger the comprehensive winding influence coefficient Uli is, the smaller the displacement distance of the ore in the z-axis direction is, otherwise, the smaller the comprehensive winding influence coefficient Uli is, and the displacement distance of the ore in the z-axis direction is increased;
s403, drawing a premovable track of the ore in a three-dimensional space coordinate system according to the initial position coordinate and the position coordinate of the prefalling point.
Fifthly, marking a plurality of spray valves in the spray valve assembly by a spray valve control unit, acquiring and processing a pre-movable track of the ore and a tailing judgment signal, acquiring a marking value of a target spray valve based on the pre-movable track of the ore, and controlling the target spray valve to be opened.
The interval and the threshold are set for the convenience of comparison, and the size of the threshold depends on the number of sample data and the number of cardinalities set for each group of sample data by a person skilled in the art; as long as the proportional relation between the parameter and the quantized value is not affected.
The formulas are all formulas with dimensions removed and numerical calculation, the formulas are formulas with a large amount of data collected for software simulation to obtain the latest real situation, and preset parameters in the formulas are set by a person skilled in the art according to the actual situation;
In the two embodiments provided in the present application, it should be understood that the disclosed apparatus and system may be implemented in other manners; for example, the apparatus embodiments described above are merely illustrative, e.g., the division of the modules is merely a logical function division, and there may be additional divisions of actual implementation, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not performed; alternatively, the coupling or direct coupling or communication connection shown or discussed with respect to each other may be through some interface, indirect coupling or communication connection of devices or modules, electrical, mechanical, or other form;
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a but sorting equipment of dust-discharging's surface double-sided reflection formation of image and ray image combination, includes equipment casing (1), shale shaker material structure and control panel, its characterized in that, the inside of equipment casing (1) has set firmly fortune material belt module (2), the terminal below of fortune material belt module (2) is equipped with sensor module (3), the inside of equipment casing (1) has set firmly spouts valve striking subassembly (4), the inside of equipment casing (1) has set firmly ray imaging module (5), the inside of equipment casing (1) has set firmly two sets of relative light source module (6), two sets of light source module (6) are listed as in the outside both sides of ray imaging module (5), the inside of equipment casing (1) has set firmly two sets of camera imaging module (7), two sets of camera imaging module (7) are listed as in the outside of light source module (6), form between two sets of camera imaging module (7) and select separately chamber (8), the central point that selects separately chamber (8) is located to spout valve striking module (4), the inside of equipment casing (1) has set firmly dust-discharging mechanism outside dust-discharging mechanism (8);
The dust exhaust mechanism comprises a fan (15), the fan (15) is fixedly arranged on the top end surface of the equipment shell (1), the output end surface of the fan (15) is connected with a wind scooper (9), and one end of the wind scooper (9) extends to the upper part of the jet valve striking component (4);
the control panel comprises an image information integration unit, a ray information statistics unit, a model building unit, an airflow guiding analysis unit and a spray valve control unit;
the ray information statistics unit acquires ray feedback information of the mine through the ray imaging assembly (5) and sends the ray feedback information to the model building unit, wherein the ray feedback information comprises characteristic ray energy of each ray bundle, feedback energy of each ray bundle and feedback ray bundle distribution areas, and judges tailing signals according to ore feedback information and sends the tailing signals to the spray valve control unit;
The airflow guiding analysis unit obtains airflow information and dust density data in the sorting cavity (8) to calculate comprehensive wind direction influence coefficients of airflow, wherein the airflow information comprises wind speed data of an output end of a fan (15), wind speed data and wind direction included angles of an output end of a wind scooper (9), and a pre-movable track of an ore counterweight model under the comprehensive wind direction influence coefficients is analyzed based on a digital twin model and sent to the spray valve control unit;
the spray valve control unit marks a plurality of spray valves in the spray valve assembly, obtains a pre-movable track of the ore and a tailing judgment signal, processes the pre-movable track of the ore, obtains a mark value of a target spray valve based on the pre-movable track of the ore, and controls the target spray valve to be opened.
2. The dust-repellent surface double-sided reflection imaging and radiography combined sorting apparatus according to claim 1, characterized in that,
The image information integration unit respectively acquires image information of the ore through two groups of camera imaging assemblies (7) and sends the image information to the model building unit and the airflow guiding analysis unit, wherein the image information comprises an A-plane image and a B-plane image of the ore, and initial position coordinates and initial speed of the ore reaching the sorting cavity (8);
The model building unit obtains image information and ray feedback information as a model basis to build an ore model, builds an appearance model of the ore according to the image information, fills a feedback ray beam distribution area into the appearance model as model longitudinal data to obtain an ore counterweight model, obtains initial position coordinates of the ore reaching the sorting cavity (8), and outputs the initial position coordinates of the ore reaching the sorting cavity to the airflow guiding analysis unit in the form of space coordinates of the marking model.
3. The sorting device with the combination of surface double-sided reflection imaging and radiographic imaging capable of discharging dust according to claim 1, characterized in that a dust discharging collecting rail (10) is arranged inside the device shell (1), one end of the dust discharging collecting rail (10) extends to the outer side of the device shell (1), a dust discharging port (11) is arranged at one end of the dust discharging collecting rail (10), and a dust discharging flow channel (12) is formed between the other end of the dust discharging collecting rail (10) and one end of the air guiding cover (9).
4. The sorting device capable of discharging dust and combining surface double-sided reflection imaging and radiographic imaging according to claim 1, characterized in that a material separating plate (13) is arranged in the sorting cavity (8), the material separating plate (13) is fixedly arranged on the outer side surface of the sensor assembly (3), and a tailing collecting cavity (14) is arranged below the material separating plate (13).
5. The dust-removable surface double-sided reflectance imaging and radiography combined sorting apparatus according to claim 1, characterized in that the specific method for judging tailing signals according to ore feedback information is as follows:
s101, acquiring characteristic ray energy E1 of each ray bundle of ore and feedback energy E2 of each ray bundle, and calculating the ray absorptivity Wij of each ray bundle according to a normalization formula: wherein k is a response parameter of an energy detector in the radiation imaging assembly (5);
s102, calculating a mass ratio coefficient Rh of substances in the ore according to the radiation absorptivity Wij and the feedback ray beam distribution area S: wherein n is the total number of beams, which increase with the projected area of the ore;
S103, presetting a quality threshold Rmax, wherein the quality threshold Rmax represents the lowest threshold value that the mass of effective substances in ores accounts for the total mass of the ores, and judging the ores which do not reach the lowest threshold value as tailings;
thus, if Rh is more than or equal to Rmax, a concentrate signal is generated;
and if Rh is less than Rmax, tailing concentrate signals.
6. The dust-evacuable surface dual-surface reflectance imaging and radiography combined sorting apparatus according to claim 2, characterized in that the process of building a mineral counterweight model and performing counterweight analysis is as follows:
s201, acquiring an A-plane image and a B-plane image of the ore, carrying out gray processing on the A-plane image and the B-plane image of the ore, then scanning and superposing the A-plane image and the B-plane image, and inputting the A-plane image and the B-plane image into a three-dimensional imaging system by taking the transverse direction as the standard axis direction to generate an appearance model of the ore, wherein the transverse parameter of the appearance model is a preset X unit value;
S202, acquiring a feedback ray beam distribution area of ore, transversely comparing the feedback ray beam distribution area with an appearance model to obtain an invalid edge area of the appearance model, and removing the invalid edge area from the appearance model to obtain an accurate appearance model;
s203, acquiring feedback energy of each ray bundle, comparing the feedback energy E2 of each ray bundle with the refined model, acquiring a target ray bundle, and carrying out grading marking processing on the feedback energy E2 of the target ray bundle to obtain an ore model:
Presetting the grading ranges of the feedback energy as (Ep, et) and (Et, ek), and filling and marking a corresponding target ray beam distribution area on the appearance model by adopting a gray value bR when the feedback energy E2 is smaller than Ep;
When the feedback energy E2 is more than or equal to Ep and less than Et, filling marks are carried out on the appearance model by adopting gray values μbR in the corresponding target ray beam distribution areas;
When the feedback energy E2 is larger than or equal to Et and smaller than Ek, filling marks are carried out on the appearance model by adopting a gray value rho bR in a corresponding target ray beam distribution area;
When the feedback energy E2 is greater than or equal to Ek, filling marks are carried out on the appearance model by adopting a gray value sigma nR in a corresponding target ray beam distribution area, wherein b, mu, rho and sigma are all preset set values, the values of the values are in an ascending trend, and the multiple difference among the gray values is represented;
s204, calculating a weight coefficient Yik of the ore model according to the following formula: Wherein S1 is the area of the target ray beam distribution area with the gray value bR, S2 is the area of the target ray beam distribution area with the gray value μbR, S3 is the area of the target ray beam distribution area with the gray value ρbR, and S4 is the area of the target ray beam distribution area with the gray value σnR.
7. The dust-repellent surface double-sided reflectance imaging and radiography combined sorting apparatus according to claim 2, characterized in that the process of calculating the integrated wraparound influence coefficient of the airflow is as follows:
s301, acquiring wind speed data V1 of an output end of a fan (15), wind speed data V1 of an output end of a wind scooper (9), a wind direction included angle theta and dust density data phi in a sorting cavity (8);
S302, calculating a comprehensive winding influence coefficient Uli of the air flow according to the following formula: Wherein e1, e2 and e3 are weight correction coefficients, and e1 is greater than e3 and greater than e2, e1+e2+e3=3.14.
8. The dust-repellent surface double-sided reflection imaging and radiography combined sorting apparatus according to claim 2, characterized in that the process of obtaining the pre-movable trajectory based on digital twin model analysis is as follows:
S401, establishing a three-dimensional space coordinate system by using the space edge of the separation cavity (8), and acquiring initial position coordinates (x 0, y0, z 0) and initial speed V0 of the ore reaching the separation cavity (8);
S402, presetting the movement time of the ore as t, and calculating coordinates (xp, yp, zp) of the pre-falling point of the ore according to a parabolic movement formula:
Wherein e4 is an influence proportionality coefficient of the comprehensive winding direction influence coefficient Uli on the movement distance of the ore in the x-axis direction;
Wherein e5 is an influence proportionality coefficient of the comprehensive winding direction influence coefficient Uli on the movement distance of the ore in the y-axis direction;
Wherein e6 is an influence proportionality coefficient of the comprehensive winding direction influence coefficient Uli on the movement distance of the ore in the z-axis direction;
s403, drawing a premovable track of the ore in a three-dimensional space coordinate system according to the initial position coordinate and the position coordinate of the prefalling point.
9. The sorting device capable of discharging dust and combining surface double-sided reflection imaging and radiographic imaging according to claim 1, characterized in that the vibrating screen material structure comprises a support component (17), a rubber spring (16) is installed at the top end of the support component (17), a vibrating frame is installed at the top end of the rubber spring (16), a vibrating screen surface (21) is installed in the middle of the vibrating frame, the vibrating screen surface (21) is adapted with a vibrating component (20), a material homogenizing component (19) and a material feeding buffer component (18) are arranged in a gap in the top surface of the vibrating screen surface (21), a material discharging plate (22) is arranged on one side of the vibrating screen surface (21), the material discharging plate (22) extends to the top surface of a material conveying belt component (2), the material feeding buffer component (18) is arranged on one side of the material homogenizing component (19), and the material feeding buffer component (18) is arranged between the material discharging plate (22) and the material homogenizing component (19).
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Address after: No. 3 Manifen Road, Economic and Technological Development Zone, Ganzhou City, Jiangxi Province, 341000 Patentee after: Ganzhou Good Friend Technology Co.,Ltd. Country or region after: China Address before: No. 3 Manifen Road, Economic and Technological Development Zone, Ganzhou City, Jiangxi Province, 341000 Patentee before: GANZHOU GOOD FRIEND TECHNOLOGY Co.,Ltd. Country or region before: China |