WO2022160768A1

WO2022160768A1 - Sorting device combining surface reflection imaging and ray imaging

Info

Publication number: WO2022160768A1
Application number: PCT/CN2021/121786
Authority: WO
Inventors: 何鹏宇; 张宏亮; 阳纯海; 舒永锋
Original assignee: 赣州好朋友科技有限公司
Priority date: 2021-01-28
Filing date: 2021-09-29
Publication date: 2022-08-04
Also published as: CN112958477A

Abstract

A sorting device (1000) combining surface reflection imaging and ray imaging. A material conveying assembly (200) is provided at the upper side of a frame (100) for receiving externally conveyed mineral material, the mineral material is conveyed from the front end to the rear end of a conveying path of the material conveying assembly (200), and finally drops downwards; two linear array camera assemblies (300), a ray transmitting apparatus (410) and a ray receiving apparatus (420) are provided within the frame (100), spectral reflection information of an ore surface is acquired by means of the linear array camera assemblies (300), and at the same time the ray transmitting apparatus (410) is used to acquire information, such as density, of the mineral material, a screening instruction is obtained after two acquisition results are subjected to algorithm processing; and a material screening assembly (700) screens the mineral material according to the screening instruction.

Description

A sorting device combining surface reflection imaging and radiographic imaging

This application claims priority to the Chinese patent application filed on January 28, 2021 with application number 202110121671.3, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of mineral processing equipment, in particular to a sorting equipment combining surface reflection imaging and radiographic imaging.

Background technique

The main characteristics of my country's iron ore materials are "poor", "fine" and "miscellaneous", and the iron content is 32%-37%, which is about 10 percentage points lower than the world average. Among them, 97% of the iron ore material needs beneficiation treatment. The beneficiation of magnetite material has always been the main body of iron ore material beneficiation. In my country's iron ore concentrate production, it is mainly magnetite concentrate. Ore beneficiation is based on the physical and chemical properties of different minerals in the ore material, after the ore material is crushed and ground, gravity separation, flotation, magnetic separation, electrical separation, etc. are used to separate useful minerals from gangue minerals. The process of separating various symbiotic or associated useful minerals from each other as much as possible, removing or reducing harmful impurities, and obtaining raw materials for smelting or other industries. Mineral processing equipment is a tool to improve the utilization rate of mineral resources.

However, the screening of mineral processing equipment is generally performed by imaging screening. For mineral materials with high precision requirements, the identification accuracy needs to be improved.

technical problem

The main purpose of this application is to provide a sorting equipment that combines surface reflection imaging and radiographic imaging, which aims to solve the problem that the screening of mineral processing equipment is generally carried out by imaging screening. For mineral materials with high precision requirements, it is necessary to improve the identification accuracy. technical problem.

technical solutions

In order to achieve the above purpose, a sorting device combining surface reflection imaging and radiographic imaging proposed in this application, the sorting device includes:

frame;

a conveying assembly, the conveying assembly is arranged on the frame, and the mineral material on the conveying assembly falls down from the end of the transmission path of the conveying assembly to form a parabolic conveying path;

At least two line scan camera assemblies, both of which are arranged in the frame and located on the parabola conveying path, and the image acquisition end of each line scan camera assembly faces the parabola a material conveying path, the ore material falls down from the end of the transmission path of the material conveying component, and passes through the image acquisition end of the line scan camera component, and the line scan camera component takes a picture of the ore material;

a ray emitting device, the ray emitting device is arranged in the frame;

a ray receiving device, the ray receiving device is arranged in the frame, and the parabolic conveying path is located between the ray transmitting device and the ray receiving device;

an ore feed assembly, the ore feed is connected with the frame to transfer the ore to the conveying assembly;

The screening material assembly, the screening material assembly is arranged in the frame, the ray emission device and the line scan camera assembly are all located between the screening material assembly and the material conveying assembly, and the screening material assembly is arranged according to the Mineral materials are selected according to the imaging result of the line scan camera assembly and/or the imaging result of the ray receiving device.

In one embodiment, the ore feed assembly includes:

feeding rack;

a plurality of water sieve plates, a plurality of the water sieve plates are laid flat on the feeding rack, and each of the water sieve plates is provided with a plurality of water sieve holes;

a vibrating mechanism, the vibrating mechanism is arranged on the feeding frame to shake the feeding frame;

A liquid collection funnel, the liquid collection funnel is arranged on the feeding frame, and a plurality of the water sieve plates are located above the liquid collection funnel, and the liquid collection funnel is used to collect the fallen water from a plurality of the water screen plates. liquid.

In one embodiment, the mineral material supply assembly further includes:

An equalizing plate, the equalizing plate is arranged on the feeding frame, the equalizing plate is extended along the width direction of the feeding frame, and the equalizing plate faces the edge of the water screen. There is an evenly divided gap between one side and the water sieve plate.

In one embodiment, the conveying assembly is horizontally arranged on the frame, and the ray emitting direction of the ray emitting device is parallel to the transmission path of the conveying assembly.

In one embodiment, the position where the ray of the ray emitting device passes through the parabolic feeding path is consistent with the position where the line scan camera assembly captures the parabolic feeding path.

In one embodiment, the sorting device further includes:

A ray shield, both ends of the ray shield are open, and a channel that communicates with the two openings is formed inside, and one of the openings of the ray shield is connected to the ray emitting end of the ray emitting device, and the other One of the openings faces the parabolic feed path.

In one embodiment, the screen assembly includes:

a protective casing, the protective casing is arranged in the frame, and a plurality of air holes are opened on the protective casing;

a plurality of air valves, a plurality of the air valves are arranged in the protective casing, and the plurality of the air valves are communicated with the air holes;

Wherein, when the mineral material falls from the position of the air hole, the air valve performs air injection according to the imaging result of the line scan camera assembly and/or the imaging result of the ray receiving device, so as to change the parabolic shape of the gangue waste , for sorting minerals.

In one embodiment, the screen assembly further includes:

A hopper, the hopper is provided with a first distribution port and a second distribution port, so as to facilitate the sorting of mineral materials and gangue waste.

In one embodiment, at least one exhaust port is provided on a side of the frame away from the material conveying assembly, and the sorting device further includes:

an air blower, the air blower is arranged on the frame, and the air blower is located at the end position of the transmission path of the conveying assembly, and the air blower blows air toward the parabolic conveying path ;

At least one exhaust fan, the number of the exhaust fans is consistent with the number of the exhaust ports, and the exhaust fans are arranged in the exhaust ports to discharge dust and water mist inside the rack in one direction.

In one embodiment, the sorting device further includes:

A plurality of light source assemblies are arranged in the frame, and the light emitting surfaces of the plurality of light source assemblies face the shooting position of the line scan camera assembly.

beneficial effect

The technical solution of the present application is to set a conveying assembly on the upper side of the frame to receive the mineral material conveyed from the outside. To take pictures of the falling ore, two line scan camera assemblies can be arranged inside the frame, and the two line scan camera assemblies are located below the conveying assembly and on the parabolic conveying path. For example, the two line scan camera assemblies are located in the parabola. On both sides of the conveying path, the line scan camera components are used to collect images of the ore material. Through the algorithm, the composition of the ore material is obtained. The ray transmitting device and the ray receiving device are installed inside the rack to collect information such as the density of the ore material. , to improve the recognition effect, the spectral reflection information of the ore surface is collected by the line scan camera component, and the density and other information of the ore material is collected by the ray emission device. The screening component precisely screens the ore material according to the above screening instructions, so as to improve the identification accuracy and screening efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without any creative effort.

1 is a schematic structural diagram of an embodiment of a sorting device according to the present application;

FIG. 2 is a schematic structural diagram of another embodiment of the sorting device of the present application;

FIG. 3 is a schematic structural diagram of an embodiment of the mineral material feeding assembly of the present application;

Fig. 4 is a partial enlarged view at N1 in Fig. 3;

FIG. 5 is a schematic structural diagram of another embodiment of the mineral material feeding assembly of the present application;

Fig. 6 is the side view of Fig. 5;

FIG. 7 is a schematic structural diagram of still another embodiment of the mineral material feeding assembly of the present application;

FIG. 8 is a partial enlarged view of N2 in FIG. 2 .

Description of reference numbers:

标号 label	名称 name	标号 label	名称 name
1000 1000	分选设备 Sorting equipment	100 100	机架 frame
200 200	输料组件 Conveying components	300 300	线阵相机组件 Line scan camera components
410 410	射线发射装置 ray emission device	420 420	射线接收装置 ray receiver
430 430	射线防护罩 radiation shield	500 500	光源组件 Light source components
600 600	矿料供料组件 Mineral feed components	610 610	供料机架 Feeding rack
611 611	固定支架 Fixed bracket	612 612	弹性件 elastic
613 613	输料支架 Feeding bracket	620 620	筛水板 water screen
630 630	振动机构 Vibration mechanism	640 640	集液漏斗 Collection funnel
650 650	固定凸起 fixed protrusion	651 651	固定部 Fixed part
652 652	凸起部 bulge	660 660	均分机构 Equal distribution agency
700 700	筛料组件 Screen components	710 710	防护壳体 protective housing
720 720	气阀 air valve	730 730	分料斗 Hopper
800 800	吹气机 blower	A A	筛水孔 Sieve hole
B B	滑槽 Chute	C C	均分间隙 evenly divide the gap
D D	开口 open	E E	通道 aisle
F1 F1	第一分料口 first feed port	F2 F2	第二分料口 The second feed port
G G	排气口 exhaust vent

The realization, functional characteristics and advantages of the purpose of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In addition, descriptions involving "first", "second", etc. in this application are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection claimed in this application.

As shown in FIGS. 1 to 3 , the present application proposes a sorting apparatus 1000 combining surface reflection imaging and radiographic imaging. The sorting equipment 1000 includes: a frame 100; The end of the transmission path falls down to form a parabolic conveying path; at least two line scan camera assemblies 300 are arranged in the frame 100 and are located on the parabolic conveying path , the image acquisition end of each line scan camera assembly 300 faces the parabolic conveying path, and the mineral material falls down from the end of the conveying path of the conveying assembly 200 and passes through the line scan camera assembly 300 At the image acquisition end of the device, the line scan camera assembly 300 takes pictures of the mineral material; the ray transmitting device 410 is arranged in the frame 100; the ray receiving device 420 is the ray receiving device 420 is arranged in the frame 100, and the parabolic conveying path is located between the ray emitting device 410 and the ray receiving device 420; the ore feeding assembly 600, the ore feeding and the machine The frame 100 is connected to transmit the mineral material to the conveying assembly 200; the screening assembly 700, the screening assembly 700 is arranged in the frame 100, the ray emission device 410, the line scan camera assembly 300 are located between the screening material assembly 700 and the material conveying assembly 200, and the screening material assembly 700 selects minerals according to the imaging results of the line scan camera assembly 300 and/or the imaging results of the ray receiving device 420 .

The main characteristics of my country's iron ore materials are "poor", "fine" and "miscellaneous", and the iron content is 32%-37%, which is about 10 percentage points lower than the world average. Among them, 97% of the iron ore material needs beneficiation treatment, and the magnetite material beneficiation has always been the main body of the iron ore material beneficiation. In my country's iron ore concentrate production, it is mainly magnetite concentrate. Ore beneficiation is based on the physical and chemical properties of different minerals in the ore material, after the ore material is crushed and ground, gravity separation, flotation, magnetic separation, electrical separation, etc. are used to separate useful minerals from gangue minerals. The process of separating various symbiotic or associated useful minerals from each other as much as possible, removing or reducing harmful impurities, and obtaining raw materials for smelting or other industries. Mineral processing equipment is a tool to improve the utilization rate of mineral resources.

Therefore, in the present application, the conveying assembly 200 is arranged on the upper side of the frame 100 , and the conveying assembly 200 may be a belt, a crawler, etc. The transmission path (the F direction in Figure 2) is transmitted from the head end to the end, and finally falls downward. Since the conveying assembly 200 gives the ore material a speed, the path formed during the falling process of the ore material is a parabolic shape. To take pictures of the dropped mineral material, two line scan camera assemblies 300 can be arranged inside the rack 100, and the two line scan camera assemblies 300 are located below the material conveying assembly 200, and on the parabolic conveying path, for example, two line scan cameras The components 300 are located on both sides of the parabolic conveying path. The line scan camera component 300 is used to collect images of the ore material, and obtain the ore material composition through an algorithm, which is convenient for subsequent screening and effectively improves the sorting accuracy of the ore material. In order to further improve the recognition accuracy, the ray transmitting device 410 and the ray receiving device 420 can be arranged inside the rack 100, and the parabolic conveying path is located between the ray transmitting device 410 and the ray receiving device 420. When the mineral material falls, it will be radiated by the radiation. The ray of the transmitting device 410 penetrates, the ray is received by the ray receiving device 420, and finally imaged, the information such as mineral density and other information is collected, and the identification effect is improved. The ray emission device 410 collects information such as the density of the ore material, and after algorithmic processing the two collection results, a screening instruction is obtained.

It can be understood that, in order to detect the elements on the ore surface or its associated biological spectrum, texture, speckles and other information, a high-speed high-resolution line scan industrial camera imaging system can be used.

As shown in FIG. 3 to FIG. 7 , specifically, the mineral material feeding assembly 600 includes: a feeding frame 610 ; a plurality of water screening plates 620 , and a plurality of the water screening plates 620 are laid flat on the feeding frame 610, each of the water sieving plates 620 is provided with a plurality of water sieving holes A; a vibration mechanism 630, the vibration mechanism 630 is arranged on the feeding frame 610 to shake the feeding frame 610 ; a liquid collection funnel 640, the liquid collection funnel 640 is arranged on the feeding frame 610, and a number of the screen water plates 620 are located above the liquid collection funnel 640, and the liquid collection funnel 640 is used to collect a number of The liquid dropped by the water sieve plate 620. In this embodiment, a plurality of water screen plates 620 are laid on the feeding rack 610. For example, the middle of the feeding rack 610 is hollowed out, and the plurality of water screen plates 620 are laid on the upper end of the feeding rack 610. A feeding plane is formed, and a plurality of sieving holes A are opened on the water sieving plate 620. The mineral material enters from one end of the longitudinal direction of the feeding rack 610, and is output from the other end of the longitudinal direction of the feeding rack 610, forming a Feeding path (X direction in Figure 3). A vibrating mechanism 630 is added on the feeding frame 610 to shake the feeding frame 610, so that the ore material is continuously shaken during the transmission process, and the water on the ore material is vibrated and dropped on the water screen plate 620, and the water is removed from the screen. Hole A falls to the collecting funnel 640 for unified collection, so as to keep the moisture content of the ore output from the ore feeding assembly 600 as low as possible.

It can be understood that the feeding plane can be an inclined surface, and its inclination direction is inclined from the head end of the feeding path to the end of the feeding path, so that the ore material can be accelerated and transported by its own gravity.

It can be understood that, in addition to sieving water, the water sieving hole A can also be used to sieve dust and the like, which is not specifically limited here.

Specifically, the feeding frame 610 is provided with a fixing protrusion 650, and the fixing protrusion 650 is extended along the length direction of the feeding mechanism (X direction in FIG. 3 ). A chute B is opened on the 620 , and the chute B is slidably arranged on the fixing protrusion 650 . In this embodiment, in order to facilitate the stable installation of the water screen plate 620, a plurality of fixed protrusions 650 can be provided on the upper end of the feeding frame 610, and the length of the fixed protrusions 650 is consistent with the feeding path, so as to facilitate the installation of the water screen plate The chute B of 620 is slidably connected with the fixing protrusion 650 to fix the water screen plate 620 on the feeder frame 610 to prevent the feeder frame 610 from vibrating and dropping the water screen plate 620 after vibration.

Specifically, the fixing protrusion 650 includes: a fixing part 651 , which is arranged on the feeding frame 610 ; a raised part 652 , which is arranged on the fixing part 651 . , the protruding portion 652 has a circular arc structure. In this embodiment, in order to facilitate the installation of the water screen plate 620, the convex portion 652 at the upper end of the fixed protrusion 650 can be formed into a circular arc structure, the fixed portion 65151 is fixed to the feeding frame 610, and the convex portion 652 is connected to the water screen. The chute B of the plate 620 is slidably connected to reduce friction.

Specifically, the size of one end surface of the protruding portion 652 facing the fixing portion 651 is larger than the size of the one end surface of the fixing portion 651 facing the protruding portion 652 . In this embodiment, in order to engage the water screen plate 620 on the protruding portion 652, the size of the protruding portion 652 can be made larger than the size of the fixing portion 651, so as to form a structure similar to a “T” shape, so as to avoid the feeding rack. After 610 is vibrated, the water screen plate 620 is vibrated and dropped.

Specifically, the mineral material feeding assembly 600 further includes: an equalizing mechanism 660 , the equalizing mechanism 660 is disposed on the feeding frame 610 , and the equalizing mechanism 660 is located on the water screen plate 620 Above, the equalizing mechanism 660 is used for tiling and evenly dividing the mineral material on the water sieving plate 620 . In this embodiment, in order to evenly distribute the minerals on the water screen plate 620, an equalizing plate can be set on the feeding frame 610, and the equalizing plate is arranged above the water screen plate 620. The extension of the water screen plate 620 The direction (X direction in FIG. 3 ) is perpendicular to the feeding path. During the conveying process of the ore material, the equalizing plate spreads the piles of ore material on the water screen plate 620 .

Specifically, the equalizing mechanism 660 includes: an equalizing plate, the equalizing plate is arranged on the feeding frame 610, and the equalizing plate is along the width direction of the feeding frame 610 (as shown in FIG. 3) extending in the Y direction, and an equalizing gap C is left between the side of the dividing plate facing the water screening plate 620 and the water screening plate 620 . In this embodiment, an equalizing gap C can be set between the side of the equalizing plate facing the water screening plate 620 and the water screening plate 620 . It is forced to be flattened to even out the distribution of the mineral material on the water screen plate 620 .

Specifically, the size of the equalizing gap C is 20 mm to 40 mm.

Specifically, the length direction of the feeding rack 610 is consistent with the feeding path, and the equalizing mechanism 660 is located at the head end of the feeding path. In this embodiment, in order to improve the effect of equalizing the ore material, the equalizing plate is arranged at the head end of the feeding path.

Specifically, the feeding rack 610 includes: a fixing bracket 611; an elastic member 612, the elastic member 612 is arranged on the upper end of the fixing bracket 611; On the component 612 , the vibrating mechanism 630 and the water sieve plate 620 are both arranged on the conveying support 613 , and the liquid collecting funnel 640 is arranged on the fixing bracket 611 . In this embodiment, in order to make the vibration amplitude of the water screen plate 620 more balanced, the material conveying bracket 613 is arranged on the fixing bracket 611 through the elastic member 612. It can be understood that a plurality of elastic members 612 can be arranged, which are evenly arranged with the fixing bracket. On the edge of 611, when the vibrating mechanism 630 vibrates, it provides a vibrating force to the feeding support 613, and its vibration follows the back-and-forth vibration of the elastic member 612, so that the mineral material on the water screen plate 620 is evenly spread.

It can be understood that the water screen plate 620 can be set to various specifications. For example, the water screen plate 620 at the beginning of the transmission path is mainly used for filtering water, while the water screen plate 620 at the end of the transmission path is mainly used for filtering out water. For small particles of ore or gangue that have no economic value, for example, the water screen hole A of the water screen plate 620 is an opening of 8mm*20mm.

Specifically, the material conveying assembly 200 is horizontally disposed on the frame 100 , and the ray emitting direction of the ray emitting device 410 is parallel to the transmission path of the material conveying assembly 200 . In this embodiment, the material conveying assembly 200 is arranged horizontally on the rack 100, the ray emitting device 410 and the ray receiving device 420 are arranged below the material conveying assembly 200, and the ray emission direction of the ray emitting device 410 is limited to be perpendicular to the freedom of the mineral material. The falling direction, that is, the ray is parallel to the transmission direction of the conveying component, uses the mineral material to fully disperse during the free fall process and then selects the appropriate imaging point, which significantly reduces the overlapping rate of the mineral material and improves the imaging recognition accuracy.

Specifically, the two line scan camera assemblies 300 are disposed opposite to each other, and the parabolic feeding path is located between the image acquisition ends of the two line scan camera assemblies 300 . In this embodiment, the two line scan camera assemblies 300 may be arranged on two opposite sides inside the frame 100, and may be arranged asymmetrically. Double-sided image acquisition, stable recognition and higher recognition accuracy.

Specifically, the position where the ray of the ray emitting device 410 passes through the parabolic feeding path is consistent with the position where the line scan camera assembly 300 captures the parabolic feeding path. In this embodiment, the position where the line scan camera assembly 300 is photographed is consistent with the position where the ray emission device 410 is imaged, and then double-sided image acquisition is performed on the mineral material at the same position on the parabolic transmission path, and information such as mineral material density is collected at the same time. Form multiple information collection, and then comprehensively process, to achieve the effect of large processing capacity, stable recognition and higher recognition accuracy.

It can be understood that the identification of the line scan camera assembly 300 and the imaging identification of the ray emission device 410 can be set independently.

As shown in FIG. 8 , specifically, the sorting device 1000 further includes: a radiation shield 430, the radiation shield 430 has openings D at both ends, and a channel E that communicates with the two openings D is formed inside, so One of the openings D of the radiation shield 430 is connected to the radiation exit end of the radiation emitting device 410 , and the other opening D faces the parabolic feeding path. In this embodiment, in order to avoid damage to other components caused by rays, a ray shield 430 can be provided separately, and an opening D of the ray shield 430 is connected to the ray exit end of the ray emission device 410, so that the rays emitted from the ray exit end are completely covered. In channel E, avoid exiting to other locations. The ray in the channel E exits to a designated position through another opening D, and is received by the ray receiving device 420 .

Specifically, the screening assembly 700 includes: a protective casing 710, the protective casing 710 is disposed in the frame 100, and a plurality of air holes (not shown in the figure) are opened on the protective casing 710 ; A number of air valves 720, a number of the air valves 720 are arranged in the protective housing 710, and a number of the air valves 720 are communicated with the air holes; wherein, when the mineral material falls from the air hole position, The air valve 720 performs air injection according to the imaging result of the line scan camera assembly 300 and/or the imaging result of the ray receiving device 420 , so as to change the parabolic shape of the gangue waste to sort the mineral material. In this embodiment, in order to facilitate the sorting of ore materials, the air valve 720 can be used for air injection to blow the ore materials passing through the position of the air holes away from the original trajectory, so as to change the parabolic trajectory of the ore materials to facilitate centralized collection.

Specifically, the screening assembly 700 further includes: a dividing hopper 730, and the dividing hopper 730 is provided with a first feeding port F1 and a second feeding port F2, so as to facilitate the sorting of ore and gangue waste. In this embodiment, the first material distribution port F1 and the second material distribution port F2 of the distribution hopper 730 are used to collect different ore materials to improve the sorting accuracy.

Specifically, at least one exhaust port G is provided on the side of the rack 100 away from the material conveying assembly 200, and the sorting device 1000 further includes: an air blower 800, and the air blower 800 is arranged in the on the frame 100, and the blower 800 is located at the end position of the conveying path of the material conveying assembly 200, and the blower 800 blows air toward the parabolic conveying path; at least one row of blowers (Fig. (not shown), the number of the exhaust fans is consistent with the number of the exhaust ports G, and the exhaust fans are arranged in the exhaust ports G to discharge the dust and water inside the rack 100 in one direction. fog. In this embodiment, a cavity can be provided inside the frame 100, and each component is located in the cavity. Since the mineral material will raise a large amount of dust in the cavity, and the mineral material itself contains a lot of moisture, it will also produce There is a lot of water mist. Therefore, by opening a plurality of exhaust ports G on the rack 100, such as the top of the rack 100, and setting an exhaust fan in each exhaust port G, the exhaust fan is used to generate a one-way suction force. , to extract the dust and water mist inside the cavity from the cavity. In order to improve the air circulation effect inside the cavity, a blower 800 can be installed on the rack 100, and the blower 800 is arranged above the end of the material conveying assembly 200, so that the blower 800 blows in the direction of the parabolic material conveying path Air, blow the mineral material in the process of falling, and then use the exhaust fan to extract the cavity.

Specifically, the sorting device 1000 further includes: a plurality of light source assemblies 500 , the plurality of the light source assemblies 500 are arranged in the frame 100 , and the light emitting surfaces of the plurality of the light source assemblies 500 face the line scan camera assembly 300 shooting location. In this embodiment, since the internal environment of the rack 100 is relatively dark, a plurality of light source assemblies 500 may be provided, and the light source assemblies 500 are all facing the position where the line scan camera assembly 300 is photographed for supplementary light.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Under the conception of the present application, the equivalent structural transformations made by the contents of the description and drawings of the present application, or directly/indirectly applied in the Other related technical fields are included within the scope of patent protection of this application.

Claims

A sorting device combining surface reflection imaging and radiographic imaging, wherein the sorting device comprises:

frame;

a conveying assembly, the conveying assembly is arranged on the frame, and the mineral material on the conveying assembly falls down from the end of the transmission path of the conveying assembly to form a parabolic conveying path;

At least two line scan camera assemblies, both of which are arranged in the frame and located on the parabolic conveying path, and the image acquisition end of each of the line scan camera assemblies faces the parabola a material conveying path, the ore material falls down from the end of the transmission path of the material conveying component, and passes through the image acquisition end of the line scan camera component, and the line scan camera component takes a picture of the ore material;

a ray emitting device, the ray emitting device is arranged in the frame;

a ray receiving device, the ray receiving device is arranged in the frame, and the parabolic conveying path is located between the ray transmitting device and the ray receiving device;

an ore feed assembly, the ore feed is connected with the frame to transfer the ore to the conveying assembly;

The screening material assembly, the screening material assembly is arranged in the frame, the ray emission device and the line scan camera assembly are all located between the screening material assembly and the material conveying assembly, and the screening material assembly is arranged according to the Mineral materials are selected according to the imaging result of the line scan camera assembly and/or the imaging result of the ray receiving device.
The sorting equipment combining surface reflection imaging and radiographic imaging according to claim 1, wherein the mineral material supply assembly comprises:

feeding rack;

a plurality of water sieve plates, a plurality of the water sieve plates are laid flat on the feeding rack, and each of the water sieve plates is provided with a plurality of water sieve holes;

a vibrating mechanism, the vibrating mechanism is arranged on the feeding frame to shake the feeding frame;

A liquid collection funnel, the liquid collection funnel is arranged on the feeding frame, and a plurality of the water sieve plates are located above the liquid collection funnel, and the liquid collection funnel is used to collect the fallen water from a plurality of the water screen plates. liquid.
The sorting device for combined surface reflection imaging and radiographic imaging according to claim 2, wherein the mineral material supply assembly further comprises:

An equalizing plate, the equalizing plate is arranged on the feeding frame, the equalizing plate is extended along the width direction of the feeding frame, and the equalizing plate faces the edge of the water screen. There is an evenly divided gap between one side and the water sieve plate.
The sorting equipment combining surface reflection imaging and radiographic imaging according to claim 1, wherein the conveying assembly is horizontally arranged on the frame, and the ray emission direction of the ray emitting device is the same as that of the conveying assembly. The transmission paths are parallel.
The sorting device combining surface reflection imaging and radiographic imaging according to claim 4, wherein the position where the ray of the ray emitting device passes through the parabolic conveying path is the same as the line scan camera assembly to photograph the parabolic conveying The location of the path is the same.
The sorting device combining surface reflection imaging and radiographic imaging according to claim 4, wherein the sorting device further comprises:

A ray shield, two ends of the ray shield are open, and a channel communicating with the two openings is formed inside, one of the openings of the ray shield is connected with the ray exit end of the ray emitting device, and the other One of the openings faces the parabolic feed path.
The combined sorting device of surface reflection imaging and radiographic imaging according to claim 1, wherein the screening material assembly comprises:

a protective casing, the protective casing is arranged in the frame, and a plurality of air holes are opened on the protective casing;

a plurality of air valves, a plurality of the air valves are arranged in the protective casing, and the plurality of the air valves are communicated with the air holes;

Wherein, when the ore material falls from the position of the air hole, the air valve performs air injection according to the imaging result of the line scan camera assembly and/or the imaging result of the ray receiving device, so as to change the parabolic shape of the gangue waste , for sorting minerals.
The sorting device combining surface reflection imaging and radiographic imaging according to claim 1, wherein the screening material assembly further comprises:

A hopper, the hopper is provided with a first distribution port and a second distribution port, so as to facilitate the sorting of mineral materials and gangue waste.
The sorting equipment combining surface reflection imaging and radiographic imaging according to claim 1, wherein at least one exhaust port is provided on the side of the frame away from the material conveying assembly, and the sorting equipment further comprises:

an air blower, the air blower is arranged on the frame, and the air blower is located at the end position of the transmission path of the conveying assembly, and the air blower blows air toward the parabolic conveying path ;

At least one exhaust fan, the number of the exhaust fans is consistent with the number of the exhaust ports, and the exhaust fans are arranged in the exhaust ports to discharge dust and water mist inside the rack in one direction.
The sorting device combining surface reflection imaging and radiographic imaging according to claim 1, wherein the sorting device further comprises:

A plurality of light source assemblies are arranged in the frame, and the light emitting surfaces of the plurality of light source assemblies face the shooting position of the line scan camera assembly.