Automatic Adjustment Device for Molybdenum Ore Flotation Operation Based on Foam Image Feature Analysis
By employing an automatic adjustment device based on image feature analysis in molybdenum ore flotation operations, the foam status can be monitored in real time, solving the problems of subjectivity and response lag caused by traditional manual observation, and achieving high efficiency and stability in flotation operations and improved concentrate grade.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUANCHUAN LONGYU MOLYBDENUM IND
- Filing Date
- 2025-05-30
- Publication Date
- 2026-08-04
AI Technical Summary
In traditional molybdenum ore flotation operations, the observation of the foam state relies on manual methods, which has problems such as strong subjectivity and delayed response, affecting flotation efficiency and concentrate grade.
An automatic adjustment device based on foam image feature analysis is adopted. The foam status is monitored in real time through image acquisition components and control modules. Combined with light source and light shield, the reliability of image acquisition is ensured, and the flotation parameters are automatically adjusted.
It improves the production efficiency and stability of flotation operations, reduces the subjectivity and response lag of human intervention, and enhances the accuracy of flotation concentrate grade.
Smart Images

Figure CN224586068U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of flotation technology, specifically, it relates to an automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis. Background Technology
[0002] In molybdenum ore flotation, the morphology, size, and distribution of froth directly affect flotation efficiency and concentrate grade. Therefore, the froth state must be constantly monitored during the flotation process. Traditional methods rely on manual observation and readjustment of the froth state, which suffers from problems such as strong subjectivity and delayed response.
[0003] In view of this, this utility model is hereby proposed. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide an automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis. Through image acquisition and analysis, the flotation parameters are adjusted in real time to improve production efficiency and stability.
[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows: An automatic adjustment device for molybdenum ore flotation based on foam image feature analysis includes an image acquisition component and a control module. The image acquisition assembly includes a reversing cover, a light shield, an industrial vision light source, an industrial camera, and a lifting pan-tilt unit. The light shield is tubular and installed above the flotation foam, maintaining a certain distance from the top surface of the foam. The bottom port of the light shield faces the flotation foam, and the top port is detachably sealed by the reversing cover. The reversing cover and the light shield are connected by a hinge. The lifting pan-tilt unit is installed on the inner top wall of the reversing cover. The industrial vision light source and the industrial camera are installed on the lifting pan-tilt unit, with the industrial vision light source surrounding the industrial camera. The industrial vision light source, industrial camera, and lifting pan-tilt unit are all connected to the control module.
[0006] Furthermore, the control module includes a cabinet, a cabinet door, and a touch screen. The cabinet door is connected to the cabinet via a hinge, and the touch screen is mounted on the outer wall of the cabinet door. The cabinet contains an industrial control computer, a controller, an industrial switch, and a dimming module connected to a power source. The industrial control computer is connected to the dimming module, the industrial switch, and an external internet connection, and is also connected to the controller and a touch screen via a KVM switch. The controller is connected to the industrial switch and is connected to the dimming module and an industrial vision light source via output terminals. The industrial switch is connected to an industrial camera. The touch screen, industrial vision light source, industrial camera, and lifting pan-tilt unit are all connected to a power source.
[0007] Furthermore, the power supply includes a 24V DC power supply and a 12V DC power supply. The 24V DC power supply is connected to the controller, industrial switch, dimming module, and industrial vision light source, while the 12V DC power supply is connected to the industrial control computer, touch screen, and industrial camera.
[0008] Furthermore, the power supply is connected to an external power supply through an input terminal block, and an air switch is connected in series between the two. A residual current device (RCD) and an AC contactor are also connected in series between the input terminal block and the air switch.
[0009] Furthermore, the cabinet door is equipped with a door handle lock, and both the touch screen and the door handle lock are embedded in the cabinet door.
[0010] Furthermore, the outer wall of the light shield is provided with a latch lock that can be detachably connected to the flip cover.
[0011] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art.
[0012] This invention monitors the state of flotation foam using an industrial camera. The light source and light shield help the camera acquire images in varying brightness environments, ensuring reliable image acquisition and reducing the impact of light changes on the images, thereby guaranteeing the accuracy of image analysis results. Simultaneously, the acquired images are analyzed to adjust the flotation process, achieving real-time monitoring and automatic adjustment of the flotation foam.
[0013] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings: Figure 1 This is a schematic diagram of the overall composition of this utility model; Figure 2 This is a schematic diagram of the internal structure of the cabinet of this utility model; Figure 3 This is a schematic diagram of the image acquisition component structure of this utility model.
[0015] In the picture: 1. Control module; 2. Image acquisition component; 1-1 Cabinet; 1-2 Cabinet Door; 1-3 Touch Screen; 1-4 Door Handle Lock; 1-5 Residual Current Device (RCD); 1-6 Surge Protector; 1-7 AC Contactor; 1-8 Circuit Breaker; 1-9 DIN Rail Socket; 1-10 KVM Switch; 1-11 Mounting Backplate; 1-12 Wiring Channel; 1-13 Dimming Module; 1-14 Controller; 1-15 Industrial Control Computer; 1-16 Output Terminal Block; 1-17 Industrial Switch; 1-18 24V DC Power Supply; 1-19 12V DC Power Supply; 1-20 Input Terminal Block; 2-1. Reversible cover; 2-2. Hook and loop lock; 2-3. Light shield; 2-4. Industrial vision light source; 2-5. Industrial camera; 2-6. Lifting pan and tilt head.
[0016] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1
[0020] like Figure 1-3 As shown in this embodiment, the automatic adjustment device for molybdenum ore flotation based on foam image feature analysis is characterized by including an image acquisition component 2 and a control module 1.
[0021] The image acquisition component 2 includes a reversing cover 2-1, a latch lock 2-2, a light shield 2-3, an industrial vision light source 2-4, an industrial camera 2-5, and a lifting pan-tilt head 2-6. The light shield 2-3 is tubular and installed above the flotation foam, maintaining a certain distance from the top surface of the foam. The bottom port of the light shield 2-3 faces the flotation foam, and the top port is detachably sealed by the reversing cover 2-1. The reversing cover 2-1 and the light shield 2-3 are connected by a hinge. The outer wall of the light shield 2-3 is equipped with a latch lock 2-2 that is detachably connected to the reversing cover 2-1, ensuring a stable connection between the cover and the shield and preventing misalignment or shaking. The lifting pan-tilt head 2-6 is installed on the inner top wall of the reversing cover 2-1. The industrial vision light source 2-4 and the industrial camera 2-5 are installed on the lifting pan-tilt head 2-6, with the industrial vision light source 2-4 surrounding the industrial camera 2-5. Figure 3 As shown, industrial vision light source 2-4 and industrial camera 2-5 are pressed. Figure 3 The layout shown is installed after the lifting pan-tilt head 2-6, and then fixed together with the lifting pan-tilt head 2-6 inside the reversing cover 2-1 to realize the distance adjustment between the industrial vision light source 2-4, the industrial camera 2-5 and the foam top surface; the industrial vision light source 2-4 is in the shape of a ring and surrounds the industrial camera 2-5.
[0022] Control module 1 includes cabinet 1-1, cabinet door 1-2, and touch screen 1-3, combined with attached... Figure 2 As shown, cabinet door 1-2 is connected to cabinet body 1-1 by hinges. Touch screen 1-3 is set on the outer wall of cabinet door 1-2. Cabinet door 1-2 is equipped with door handle lock 1-4. Touch screen 1-3 and door handle lock 1-4 are both embedded in cabinet door 1-2.
[0023] Cabinet 1-1 contains: door handle lock 1-4, residual current device 1-5, surge protector 1-6, AC contactor 1-7, air switch 1-8, DIN rail socket 1-9, KVM switch 1-10, mounting backplate 1-11, wiring trough 1-12, dimming module 1-13, controller 1-14, industrial control computer 1-15, output terminal block 1-16, industrial switch 1-17, 24V DC power supply 1-18, 12V DC power supply 1-19, and input terminal block 1-20. Specifically: Starting with the external power supply, the connection is first made through input terminal 1-20. Input terminal 1-20 is used to connect control module 1 to the 220V AC power supply, grounding wire, and start / stop synchronization signal provided on-site. The mounting backplate 1-11 and wiring trough 1-12 are common components of cabinet 1-1 for facilitating the installation of electronic components. The input terminal of the residual current device (RCD) 1-5 connects to the L and N pins of input terminal 1-20, and its output terminal connects to the input terminals of surge protector 1-6 and AC contactor 1-7, respectively. The output terminal of surge protector 1-6 connects to the grounding pin of input terminal 1-20. The output terminal of AC contactor 1-7 is connected in parallel to the input terminals of three air switches 1-8; its control terminal connects to the start / stop synchronization signal pin of input terminal 1-20.
[0024] The output terminals of the three circuit breakers 1-8 are connected to the L and N pins of the 24V DC power supply 1-18, the 12V DC power supply 1-19, and the DIN rail socket 1-9, respectively. The DIN rail socket 1-9 is used to temporarily provide external 220V AC power. The 24V DC power supply 1-18 provides power to the controller 1-14, industrial switch 1-17, dimming module 1-13, and industrial vision light source 2-4. The 12V DC power supply 1-19 provides power to the touch screen 1-3, industrial control computer 1-15, and industrial camera 2-5.
[0025] Touchscreen 1-3 is connected to KVM switch 1-10 via HDMI and USB cables, enabling interface display and touch operation for controller 1-14 and industrial computer 1-15; it is powered by 12V DC power supply 1-19. Industrial computer 1-15 is a dual Ethernet port model. RJ45-1 connects to industrial switch 1-17 via network cable, used to acquire sub-streams of images captured by industrial camera 2-5 and remotely manage controller 1-14; RJ45-2 connects to the local internet for uploading sub-streams to the cloud and downloading cloud computing feedback; USB1 connects to the RS485 interface of dimming module 1-13 via a communication cable, enabling adjustment of the output pulse width and frequency of dimming module 1-13; HDMI and USB2 connect to KVM switch 1-10 via data cables, enabling touchscreen display and operation; it is powered by 12V DC power supply 1-19.
[0026] The RJ45 interface of controller 1-14 is connected to industrial switch 1-17 via network cable to acquire the main stream of images captured by industrial camera 2-5, perform local processing and analysis of image information, and formulate flotation operation control decisions. It is used for remote transmission of foam characteristics, control decisions, and monitoring of flotation operation status via Ethernet-based communication protocol. The HDMI and USB interfaces are connected to KVM switch 1-10 via data cables to enable touchscreen display and operation. The RS485-1 interface is connected to the RS485-1 pin of output terminal 1-16 via twisted pair cable to achieve automatic adjustment of the flotation equipment and real-time monitoring of flotation operation status. The RS485-2 interface is connected to the RS485-2 pin of output terminal 1-16 via twisted pair cable for remote transmission of foam characteristics, control decisions, and monitoring of flotation operation status based on RS485 communication protocol. Power is supplied by 24V DC power supply 1-18.
[0027] KVM switch 1-10 is connected to controller 1-14, industrial computer 1-15, and touch screen 1-3 via HDMI and USB data cables respectively, enabling display and operation on touch screen 1-3 and switching between controller 1-14 and industrial computer 1-15 for external USB device access.
[0028] The dimming module 1-13 is used to adjust the brightness and flashing frequency of the industrial vision light source 2-4, and is powered by a 24V DC power supply 1-18; it is connected to the vision light source pin of the output terminal 1-16 through the PWM interface to output pulse width power; the RS485 interface is connected to the USB interface of the industrial control computer 1-15 through the communication line to realize automatic dimming by the computer software.
[0029] The light source and camera of the image acquisition component 2 are controlled by the control module 1. Specifically, the industrial vision light source 2-4 is connected to the PWM interface of the dimming module 1-13 through the output terminal 1-16 to provide variable brightness light source for the image acquisition of the industrial camera 2-5, adapting to the image acquisition of foam of different colors under different ambient light conditions. The industrial camera 2-5 is connected to the industrial switch 1-17 through the network cable to realize the image acquisition of foam in the flotation operation, and is powered by the 12V DC power supply 1-19.
[0030] Industrial cameras are used to monitor the foam state. Light sources and light shields help the cameras acquire images in varying brightness environments, ensuring reliable image acquisition, reducing the impact of light changes on the images, and thus guaranteeing the accuracy of image analysis results. Simultaneously, the acquired images are analyzed to adjust the flotation process, enabling real-time monitoring and automatic adjustment of the flotation foam.
[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. An automatic adjustment device for molybdenum ore flotation based on foam image feature analysis, characterized in that: Includes image acquisition component (2) and control module (1). The image acquisition component (2) includes a reversing cover (2-1), a light shield (2-3), an industrial vision light source (2-4), an industrial camera (2-5), and a lifting pan-tilt unit (2-6). The light shield (2-3) is tubular and is installed above the flotation foam, maintaining a certain distance from the top surface of the foam. The bottom port of the light shield (2-3) faces the flotation foam, and the top port is detachably sealed by the reversing cover (2-1). The reversing cover (2-1) and the light shield (2-3) are connected by a hinge. The lifting pan-tilt unit (2-6) is installed on the inner top wall of the reversing cover (2-1). The industrial vision light source (2-4) and the industrial camera (2-5) are installed on the lifting pan-tilt unit (2-6), and the industrial vision light source (2-4) is arranged around the industrial camera (2-5). The industrial vision light source (2-4), industrial camera (2-5), and lifting pan-tilt unit (2-6) are all connected to the control module (1).
2. The automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis according to claim 1, characterized in that: The control module (1) includes a cabinet (1-1), a cabinet door (1-2), and a touch screen (1-3). The cabinet door (1-2) is connected to the cabinet (1-1) by a hinge, and the touch screen (1-3) is installed on the outer wall of the cabinet door (1-2). The cabinet (1-1) houses an industrial control computer (1-15), a controller (1-14), an industrial switch (1-17), and a dimming module (1-13) connected to a power source. The industrial control computer (1-15) is connected to the dimming module (1-13), the industrial switch (1-17), and an external internet connection. It is also connected to the controller (1-14) and a touch screen (1-3) via a KVM switch. The controller (1-14) is connected to the industrial switch (1-17) and to the dimming module (1-13) and an industrial vision light source (2-4) via an output terminal block (1-16). The industrial switch (1-17) is connected to an industrial camera (2-5). The touch screen (1-3), industrial vision light source (2-4), industrial camera (2-5), and lifting pan-tilt unit (2-6) are all connected to a power source.
3. The automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis according to claim 2, characterized in that: The power supply includes a 24V DC power supply (1-18) and a 12V DC power supply (1-19). The 24V DC power supply (1-18) is connected to the controller (1-14), the industrial switch (1-17), the dimming module (1-13), and the industrial vision light source (2-4). The 12V DC power supply (1-19) is connected to the industrial control computer (1-15), the touch screen (1-3), and the industrial camera (2-5).
4. The automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis according to claim 3, characterized in that: The power supply is connected to an external power supply through the input terminal (1-20), and an air switch (1-8) is connected in series between the two. A residual current device (1-5) and an AC contactor (1-7) are also connected in series between the input terminal (1-20) and the air switch (1-8).
5. The automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis according to claim 2, characterized in that: The cabinet door (1-2) is equipped with a door handle lock (1-4), and the touch screen (1-3) and the door handle lock (1-4) are both embedded in the cabinet door (1-2).
6. The automatic adjustment device for molybdenum ore flotation operation based on foam image feature analysis according to claim 1, characterized in that: The outer wall of the light shield (2-3) is provided with a latch lock (2-2) that can be detachably connected to the flip cover (2-1).