CN105485615A - Ore screening equipment and screening method - Google Patents
Ore screening equipment and screening method Download PDFInfo
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- CN105485615A CN105485615A CN201511027344.2A CN201511027344A CN105485615A CN 105485615 A CN105485615 A CN 105485615A CN 201511027344 A CN201511027344 A CN 201511027344A CN 105485615 A CN105485615 A CN 105485615A
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- ore
- light source
- lamp pearl
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- color light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
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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
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- General Engineering & Computer Science (AREA)
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Abstract
The invention provides ore screening equipment, and belongs to the field of mining and smelting. The ore screening equipment comprises a RGWB four-color light source system, a CCD (charge coupled device) high-speed motor, a spectral analysis system and a computer, wherein the spectral analysis system is electrically connected to the RGWB four-color light source system; the computer is electrically connected to the RGWB four-color light source system, the CCD high-speed camera and the spectral analysis system respectively; the RGWB four-color light source system comprises a light source plate; a plurality of lamp bead boards are in parallel arranged on the light source plate; a plurality of RGBW four-color light source lamp beads are in series arranged on the lamp bead plates; each RGBW four-color light source lamp bead comprises a pedestal and a housing, wherein a base plate is arranged on the pedestal, and lamp beads are arranged on the base plate; the lamp beads comprise a red lamp bead, a green lamp bead, a blue lamp bead and a white lamp bead which are in parallel arranged; each base plate is connected to pins; and the lamp beads are conducted through the pins. The equipment is utilized to carry out ore screening, so that light of different colors can be generated to irradiate ores, and therefore, the screening velocity and the screening precision of the ores are relatively improved in comparison with those in the prior art.
Description
Technical field
The present invention relates to mining field of smelting, in particular to a kind of ore screening equipment and screening technique.
Background technology
The assorting room of ore, ore is first through a transmission mechanism, light source and cameras capture working site is arrived after vibration transmission, ore is motion state, the object of motion state is by needing line source and line camera during cameras capture, line source and line camera refer to that the shadow surface of camera is a line, and the linear light spot wide by about 8-10mm forms.
Carrying out in combination dimming process, all adopt RGB three-color light source in prior art, it is all generally that three colour cells close light modulation that this RGB combines light modulation, this three color scheme optical mode when being combined into linear white light, owing to being the white light that three look portfolio ratios go out, so the brightness value of white light is inadequate, be radiated at imaging on ore like this and unintelligible, just accurate not by the effect of shading value screened ore, cause the situation needing repeatedly repeated screening, production efficiency is low simultaneously both to have increased cost.
Summary of the invention
The invention provides a kind of ore screening equipment and screening technique, be intended to improve above-mentioned technical problem.
The present invention is achieved in that
A kind of ore screening equipment, comprise RGWB tetra-color light source system, CCD high speed camera, spectroscopic analysis system and computer, described spectroscopic analysis system is electrically connected with described RGWB tetra-color light source system, and described computer is electrically connected with described RGWB tetra-color light source system, described CCD high speed camera and described spectroscopic analysis system respectively.
Described RGWB tetra-color light source system comprises the multiple lamp pearl plates be arranged in parallel, and described lamp pearl plate has been arranged in series multiple RGBW tetra-color light source lamp pearl.
Described RGBW tetra-color light source lamp pearl comprises pedestal and is fixed on the shell on pedestal, described pedestal is provided with substrate, described substrate is provided with lamp pearl, described lamp pearl comprises red colored lamp pearl, green light pearl, blue lamp pearl and white lamps pearl, described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl are arranged in parallel, described substrate is connected with pin, and described lamp pearl is conducted electricity by pin.
Nonmetallic ore, as mineral such as potash feldspar ores, due to the difference of surface physics color, may need the illumination of different colors to penetrate down, and the light reflectivity of mineral surface to different spectrum and different colours is different.
Use for reference photoelectricity visual imaging selection principle, utilize potassic feldspar ore surface color difference, under the lighting condition of multiband tunable light source, CCD high definition camera will be ingested target and convert picture signal to, send Computerized image processing system to, according to information such as pixel distribution, color and brightness, be transformed into digitized signal, complete IMAQ, then carry out ore and differentiate and control to sort.
RGBW tetra-color light source lamp pearl in described RGWB tetra-color light source system, by the combination of shades of colour lamp pearl exposure intensity, can be launched the light of different colours, especially can produce the white light of high strength.
In this application, R represents red, namely red; G represents green, namely green; B represents blue, namely blue; W represents white, i.e. white.By adding white lamps pearl in lamp pearl, the white light that the RGBW tetra-color light source lamp pearl provided in the technical program sends is no longer a linear light sorurce, and white lamps pearl plays light filling effect, improves the illumination of white light, when using in ore dressing, screening speed and the production work efficiency of ore significantly can be improved.
Further, in described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl any one or multiplely can be many, in parallel with other color lamp pearls after many same color lamp pearls series connection.
Use the lamp pearl of many same colors can play booster action to this color, improve intensity of illumination, such as: if desired strengthen white light intensity further, the quantity of white lamps pearl can be increased, when arranging, all white lamps pearls are together in series on pedestal, then are connected with extraneous power supply by pin.When needing the intensity of illumination strengthening other colors, adopt identical set-up mode.
Further, the described RGBW tetra-color light source lamp pearl on described lamp pearl plate is arranged in order along same straight line.
As previously mentioned, pearl is arranged in series RGBW tetra-color light source lamp, its arrangement mode has a variety of accordingly, after it is linearly arranged, when being applied on preparation equipment, the white light width of its injection is larger, when the white light of its injection is on the conveyer of preparation equipment, the light application time that ore is subject to is longer, more utilizes accurate ore dressing.
Through the practice summary that inventor is long-term, draw illumination width comparatively suitable on preparation equipment, and devise best RGBW tetra-color light source system successively.Further, described light source board is provided with five lamp pearl plates, each described lamp pearl plate is provided with six described RGBW tetra-color light source lamp pearls.
Further, described pin is four groups, and four groups of pins are electrically connected with described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl respectively.
Further, often organize described pin and comprise two and draw pin, described in two, draw the both sides that pin is symmetricly set on described housing.
Pin arranges in pairs, and the lamp pearl of each different colours is electrically connected two pins respectively, and two pins are symmetricly set on the both sides of pedestal, and the pin that more preferably each lamp pearl connects is arranged in parallel, facilitates pin to be connected with extraneous power supply like this
Further, described in draw pin and comprise inner core and electrodeposited coating, described electrodeposited coating is arranged on the surface of described inner core.
Further, described inner core is copper core.
Further, described electrodeposited coating is nickel coating.Inner core also can adopt the materials such as iron core, and electrodeposited coating also can be aluminium coat.
Further, described lamp pearl plate is aluminium base.
Aluminium base is a kind of metal-based copper-clad plate with good heat radiating function, and general single sided board is made up of three-decker, is circuit layer (Copper Foil), insulating barrier and metal-based layer respectively.Also be designed to dual platen for high-end use, structure is circuit layer, insulating barrier, aluminium base, insulating barrier, circuit layer.Only a few is applied as multi-layer sheet, can be formed by common multi-layer sheet and insulating barrier, aluminium base laminating.LED caloric value is comparatively large, and the feature that aluminium base has heat conduction fast, is therefore suitable as the wiring board of LED lamp very much.
The method of carrying out ore screening according to the said equipment is: comprise the following steps:
The reflectance curve of the concentrate and tailings of the required sorting ore of a, respectively mensuration, choose the screening light of wave band as this ore of relative reflectance >=30%, described relative reflectance is:
Wherein, E
1for the reflectivity of concentrate,
E
2for the reflectivity of mine tailing,
B, penetrate ore by spectroscopic analysis system regulation and control RGWB tetra-color light source systems radiate screening illumination, CCD high speed camera is to ore imaging and picture signal is passed to computer, the reference colour of described picture signal and this ore contrasts by computer, judges ore kind and control appliance sorting ore.
Reflectivity described herein refers to: after the light of a certain wavelength is radiated at body surface, and part light reflects back by object, and the ratio of reverberation and incident light is reflectivity.Namely the measuring of ability of body surface reverberation photograph.The mensuration of reflectivity just can be realized by spectrometer of the prior art.CCD high speed camera is to after ore imaging, the surface of ore can demonstrate different colors, each color just correspond to the light of a wavelength accordingly, signal transmission is to after computer, the color of Computer Analysis mineral surface reflection the wavelength value corresponding with optimal wavelength compare, and show that whether irradiated ore is the conclusion of the ore needed.Ore sorts by the sorting equipment of the ore-sorting system of computer control thereafter.Wherein f (λ) be concentrate reflectance curve function, the reflectance curve function that f ' (λ) is mine tailing.
The reference colour of ore described herein refers to the color that the pure ore deposit of this ore shows.
By measuring the reflectivity of ore, some heterogeneous lights can be screened out, directly using screening illumination to penetrate, the reflectivity of light to this ore of these wave bands is high, the imaging of CCD high speed camera is more clear, simultaneously variegated more shallow, and computer more easily distinguishes impurity after obtaining picture signal.Avoid directly mixing by the ore color that white light ore produces, the drawback be not easily distinguishable.Improve screening precision, avoid the trouble repeating to screen, improve production work efficiency.
The invention has the beneficial effects as follows: ore screening equipment provided by the invention adopts RGBW tetra-color light source lamp pearl and system, this system by adding the lamp pearl of four kinds of different colours in pedestal, by the intensity of illumination of regulation and control different colours lamp pearl, the light of various different colours can be irradiated, by CCD camera imaging, screening effeciency and accuracy rate are significantly increased.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of the ore screening equipment that the embodiment of the present invention 1 provides;
Fig. 2 is the structural representation of light source board in the ore screening equipment that provides of the embodiment of the present invention 1;
Fig. 3 is the structural representation of RGBW tetra-color light source lamp pearl in the ore screening equipment that provides of the embodiment of the present invention 1;
The block diagram of the circuit of the RGBW tetra-color light source lamp pearl that Fig. 4 embodiment of the present invention 1 provides;
The reflectance curve figure of potash feldspar ore in Fig. 5 embodiment of the present invention 2.
Figure acceptance of the bid note is respectively:
Control chip 10; Current input circuit 20; LED group 30; On-off circuit group 40; RGBW tetra-color light source lamp pearl 100; Pedestal 101; Substrate 102; Lamp pearl 103; Pin 104; Draw pin 105; Lamp pearl plate 200; Link 201.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In describing the invention, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this invention product orientation of usually putting or position relationship when using, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Embodiment 1, consults Fig. 1 to Fig. 4
As shown in Figures 1 to 4, present embodiments provide a kind of ore screening equipment, Fig. 1 shows the structured flowchart of this ore screening equipment, comprise RGWB tetra-color light source system, CCD high speed camera, spectroscopic analysis system and computer, wherein, described spectroscopic analysis system is electrically connected with described RGWB tetra-color light source system, described computer is electrically connected with described RGWB tetra-color light source system, described CCD high speed camera and described spectroscopic analysis system respectively, built-in computer has function software, can regulate and control the color of the light that RGWB tetra-color light source systems radiate goes out.
Except the said equipment, this ore screening equipment also comprises the device that conveying equipment is separated with to ore, because this equipment component is not the core content of the application, is not therefore repeating at this, and those skilled in the art just can realize with reference to prior art.
Picture signal for taking pictures to the ore on conveyer, and is fed back to spectroscopic analysis system by CCD high speed camera, and spectroscopic analysis system is analyzed picture signal and result is transferred to computer, and computer controls ore separation device and carries out ore dressing.
In the present embodiment, RGWB tetra-color light source system, comprise five the lamp pearl plates 200 be arranged in parallel, as shown in Figure 2, lamp pearl plate 200 is aluminium bases, each described lamp pearl plate 200 is provided with six described RGBW tetra-color light source lamp pearls 100 of described 100, six, RGBW tetra-color light source lamp pearl to be arranged in series.
The shell that RGBW tetra-color light source lamp pearl 100 comprises pedestal 101 and is fixed on pedestal 101, pedestal 101 is in cylindric, the centre of pedestal 101 is provided with substrate 102, substrate 102 has conducting function, described substrate 102 is provided with lamp pearl 102, jacket is located at above lamp pearl 102, plays the effect of divergent rays.
As shown in Figure 3, described lamp pearl 102 comprises 1 red colored lamp pearl, 1 green light pearl, 1 blue lamp pearl and 1 white lamps pearl, and wherein, described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl are arranged in parallel.In the present embodiment, the lamp pearl 102 of four different colours is uniformly distributed into array-like according to quadrant.Wherein the order of four kinds of color arrangements does not affect the result of use of whole four color light source lamp pearls 102.
Described substrate 102 to being externally connected with pin 104, pin 104 be substantially electrically connected and then be electrically connected with lamp pearl 102, described lamp pearl 102 is conducted electricity by pin 104.
In the present embodiment, pin 104 comprises two and draws pin 105, draws the both sides that pin 105 is symmetricly set on described housing described in two.And pin 104 is total up to four groups, four groups of pins 104 are arranged side by side, specifically, as shown in Figure 3, the side of pedestal 101 is provided with four and draws pin 105, and opposite side arranges four equally and draws pin 105, both sides draw pin 105 be along pedestal 101 axis axisymmetricly.
Four groups of pins 104 connect four lamp pearls 102 respectively, and after connecting in extraneous power supply, four lamp pearls 102 form parallel configurations.The described pin 105 that draws comprises inner core and electrodeposited coating, and described electrodeposited coating is arranged on the surface of described inner core.Wherein inner core is copper core, and electrodeposited coating is nickel coating.
When six RGBW tetra-color light source lamp pearls 100 are arranged on lamp pearl plate 200, be arranged in series, being arranged in series of indication refers to herein: the red colored lamp pearl of six RGBW tetra-color light source is connected mutually, the blue lamp pearl of six RGBW tetra-color light source is connected mutually, the green light pearl of six RGBW tetra-color light source is connected mutually, and the white lamps pearl of six RGBW tetra-color light source is connected mutually.And be provided with four groups of links, 201, four groups of links 201 to be communicated with the series circuit of four kinds of different colours lamp pearls respectively at the two ends of lamp pearl plate 200, when using lamp pearl plate 200, only four groups of links 201 need be in communication with the outside.
In addition, six RGBW tetra-color light source lamp pearls 100 are arranged in order along same straight line, simultaneously in each RGBW tetra-color light source lamp pearl 100, the relative position of the lamp pearl 102 of four kinds of colors is fixing, that is, in all RGBW tetra-color light source lamp pearl 100 in the present embodiment, lamp pearl 102 distributing position on substrate 102 of four kinds of colors is all identical.The benefit of such setting is: after all lamp pearls 102 form light-source system, and its hot spot produced is strip, and the intensity of illumination of each point is uniform, there will not be variegated situation.Such light-source system, when being applied on ore separator or other ore screening equipment, more accurately and efficiently can filter out required ore.
Each lamp pearl plate 200 is long is 120mm, and the luminous width of each lamp pearl plate 200 is 30mm, after the parallel connection of 5 lamp pearl plates 200, forms long 600mm, the light source of wide 30mm light-emitting area.In prior art for the width of light source of the light source of ore dressing the narrow and defect that white light intensity is weak, under this width of light source, the operating efficiency of ore screening equipment greatly improves, and the accuracy of ore screening is significantly improved equally.
It should be noted that, being arranged in parallel by four groups of link 201 parallel connections are realized between above-mentioned lamp pearl plate 200.
Passable embodiment is, in same RGBW tetra-color light source lamp pearl 100, the lamp pearl more than 102 of wherein one or more colors arranged several or adjust the current value of each color lamp pearl, such as: if desired strengthen white light intensity further, the quantity of white lamps pearl can be increased, when arranging, all white lamps pearls are together in series on pedestal 101, then are connected with extraneous power supply by the pin 104 connecting white lamps pearl; Or the current value by white lamps pearl is increased and realizes.
Fig. 4 shows the circuit block diagram of RGWB tetra-color light source lamp pearl in the present embodiment, this circuit comprises control chip 10, current input circuit 20, LED group 30 and on-off circuit group 40, LED group 30 comprises four groups of LED, on-off circuit group 40 comprises four groups of on-off circuits, four groups of on-off circuits and four groups of LED D measure consistent and one_to_one corresponding and are electrically connected, current input circuit and control chip and organize LED more and be electrically connected, for providing driving voltage for control chip and many group LED, control chip and four groups of on-off circuits are electrically connected, for controlling four groups of on-off circuits according to predetermined frequency conduction and cut-off, thus control the brightness of the four group LED corresponding with these four groups of on-off circuits.
Embodiment 2, consults Fig. 5
The present embodiment provides a kind of ore screening method, uses the ore screening equipment provided in embodiment 1 to carry out.Concrete steps are as follows:
For potassic feldspar, the solid reflection spectrum analysis kit first using Brolight company to produce measures the reflectivity of potassic feldspar concentrate and tailings, and draws relative reflection rate curve.Experimental data is shown in Fig. 5, and wherein abscissa is wavelength, and ordinate is relative reflectance.
The account form of relative reflectance E is:
wherein, E
1for the reflectivity of concentrate,
e
2for the reflectivity of mine tailing,
As can be seen from Figure 5, when wavelength is near 570mm, the relative reflectance in the long ore deposit of potassium sharply rises and more than 30%, illustrates that the long ore deposit of potassium is mainly based on yellow on the one hand, can therefrom determine on the other hand to use wavelength to be greater than the light of 570nm as screening light.
The ore screening equipment provided in embodiment 1 is used to carry out ore dressing, ore is placed the parts on the device for carrying, ore is penetrated in illumination that wavelength is greater than 570nm to regulate RGWB tetra-color light source system to send by spectrum control system, CCD high speed camera is to ore imaging and by signal transmission to computer, Computer Analysis picture signal also contrasts with the color in the standard ore deposit of potash feldspar ore, judge whether ore is potash feldspar ore, and then the ore judged is carried out sorting by computerized equipment.Whole process completes automatically.
This screening installation can complete ore sorting through primary screening, does not need to carry out multiple sieve to the ore sifted out, and screening accurate rate is higher than 95%.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an ore screening equipment, it is characterized in that, comprise RGWB tetra-color light source system, CCD high speed camera, spectroscopic analysis system and computer, described spectroscopic analysis system is electrically connected with described RGWB tetra-color light source system, and described computer is electrically connected with described RGWB tetra-color light source system, described CCD high speed camera and described spectroscopic analysis system respectively;
Described RGWB tetra-color light source system comprises the multiple lamp pearl plates be arranged in parallel, and described lamp pearl plate has been arranged in series multiple RGBW tetra-color light source lamp pearl;
Described RGBW tetra-color light source lamp pearl comprises pedestal and is fixed on the shell on pedestal, described pedestal is provided with substrate, described substrate is provided with lamp pearl, described lamp pearl comprises red colored lamp pearl, green light pearl, blue lamp pearl and white lamps pearl, described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl are connected in parallel, described substrate is connected with pin, and described lamp pearl is conducted electricity by pin.
2. ore screening equipment according to claim 1, it is characterized in that, in described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl any one or multiplely can be many, in parallel with other color lamp pearls after many same color lamp pearls series connection.
3. ore screening equipment according to claim 1, is characterized in that, the described RGBW tetra-color light source lamp pearl on described lamp pearl plate is arranged in order along same straight line.
4. ore screening equipment according to claim 1, is characterized in that, described light source board is provided with five lamp pearl plates, each described lamp pearl plate is provided with six described RGBW tetra-color light source lamp pearls.
5. ore screening equipment according to claim 1, is characterized in that, described pin is four groups, and four groups of pins are electrically connected with described red colored lamp pearl, described green light pearl, described blue lamp pearl and described white lamps pearl respectively.
6. ore screening equipment according to claim 5, is characterized in that, often organizes described pin and comprises two and draw pin, draw the both sides that pin is symmetricly set on described housing described in two.
7. ore screening equipment according to claim 6, is characterized in that, described in draw pin and comprise inner core and electrodeposited coating, described electrodeposited coating is arranged on the surface of described inner core.
8. ore screening equipment according to claim 7, is characterized in that, described inner core is copper core.
9. ore screening equipment according to claim 7, is characterized in that, described electrodeposited coating is nickel coating.
10. utilize the ore screening equipment described in any one of claim 1 ~ 9 to carry out the method for ore screening, it is characterized in that, comprise the following steps:
The reflectance curve of the concentrate and tailings of the required sorting ore of a, respectively mensuration, choose the screening light of wave band as this ore of relative reflectance >=30%, described relative reflectance is:
E
2for the reflectivity of mine tailing,
B, penetrate ore by spectroscopic analysis system regulation and control RGWB tetra-color light source systems radiate screening illumination, CCD high speed camera is to ore imaging and picture signal is passed to computer, the reference colour of described picture signal and this ore contrasts by computer, judges ore kind and control appliance sorting ore.
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| CN106446961A (en) * | 2016-10-11 | 2017-02-22 | 山东为华智能设备制造有限公司 | Technology for identifying coal, coal gangue and debris by adopting reflecting method |
| CN107064825A (en) * | 2017-06-08 | 2017-08-18 | 常东记 | A kind of LED multifunctional testers |
| CN108380526A (en) * | 2018-05-02 | 2018-08-10 | 乐山市南联环资科技有限责任公司 | A kind of potash feldspar tailings purifying plant and the purifying technique based on the device |
| CN112170267A (en) * | 2020-08-20 | 2021-01-05 | 安徽锐视光电技术有限公司 | Material color detection system for material color sorting device |
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