阅读说明：本技术 一种浮选装备矿浆气体弥散检测系统与方法 (System and method for detecting dispersion of ore pulp gas in flotation equipment ) 是由 邹文杰 徐瑞景 王廷 张志军 张嘉哲 于 2021-08-25 设计创作，主要内容包括：本发明提供一种浮选装备矿浆气体弥散检测系统与方法,属于矿物加工技术领域。该系统包括给矿管道、浓度计、矿浆流量计、品位仪、矿浆气体弥散检测装置、浮选机、智能控制系统、药剂桶、加药泵、药剂流量计、气源、充气阀、气体流量计和电动阀,其中,给矿管道上安装浓度计、矿浆流量计和品位仪,矿浆气体弥散检测装置安装在浮选机上,加药泵通往给矿管道的管道上安装药剂流量计,气源通往浮选机的管道上安装充气阀和气体流量计,浮选机的尾矿管道上安装电动阀,控制尾矿给到下一个浮选机,浓度计、矿浆流量计、品位仪、矿浆气体弥散检测装置、加药泵、充气阀、电动阀均通过线路连接智能控制系统。本系统实现了浮选过程的智能检测调控。(The invention provides a system and a method for detecting gas dispersion of ore pulp of flotation equipment, and belongs to the technical field of mineral processing. The system comprises an ore feeding pipeline, a concentration meter, an ore pulp flowmeter, a grade instrument, an ore pulp gas dispersion detection device, a flotation machine, an intelligent control system, a medicament barrel, a medicament feeding pump, a medicament flowmeter, a gas source, an inflation valve, a gas flowmeter and an electric valve, wherein the concentration meter, the ore pulp flowmeter and the grade instrument are installed on the ore feeding pipeline, the ore pulp gas dispersion detection device is installed on the flotation machine, the medicament feeding pump is provided with the medicament flowmeter on a pipeline leading to the ore feeding pipeline, the gas source is provided with the inflation valve and the gas flowmeter on a pipeline leading to the flotation machine, the electric valve is installed on a tailing pipeline of the flotation machine to control tailings to be sent to the next flotation machine, and the concentration meter, the ore pulp flowmeter, the grade instrument, the ore pulp gas dispersion detection device, the medicament feeding pump, the inflation valve and the electric valve are all connected with the intelligent control system through lines. The system realizes intelligent detection and regulation of the flotation process.)

1. The utility model provides a flotation equipment ore pulp gas dispersion detecting system which characterized in that: comprises an ore feeding pipeline (1), a concentration meter (2), an ore pulp flowmeter (3), a level gauge (4), an ore pulp gas dispersion detection device (5), a flotation machine (6), an intelligent control system (7), a medicament barrel (8), a dosing pump (9), a medicament flowmeter (10), an air source (11), an inflation valve (12), a gas flowmeter (13) and an electric valve (14), wherein the concentration meter (2), the ore pulp flowmeter (3) and the level gauge (4) are installed on the ore feeding pipeline (1), the ore pulp gas dispersion detection device (5) is installed on the flotation machine (6), the medicament barrel (8) is connected with the dosing pump (9), the medicament flowmeter (10) is installed on a pipeline of the dosing pump (9) leading to the ore feeding pipeline (1), the inflation valve (12) and the gas flowmeter (13) are installed on a pipeline of the air source (11) leading to the flotation machine (6), the electric valve (14) is installed on a tailing pipeline of the flotation machine (6), the feeding is controlled to the next flotation machine, and a concentration meter (2), an ore pulp flowmeter (3), a level meter (4), an ore pulp gas dispersion detection device (5), a dosing pump (9), an inflation valve (12) and an electric valve (14) are all connected with an intelligent control system (7) through lines.

2. The flotation equipment pulp gas dispersion detection system of claim 1, wherein: the ore pulp gas dispersion detection device (5) comprises a fixed end (5-1), a mechanical arm (5-2), a sampling cylinder (5-3), a light source (5-4), a high-speed dynamic camera (5-5), a power supply (5-6), a microprocessor (5-7), a wireless transmitter (5-8), a memory (5-9), a power line I (5-10), a power line II (5-11), a communication line I (5-12) and a communication line II (5-13), wherein the fixed end (5-1) is arranged at the upper part of the mechanical arm (5-2), the lower part of the mechanical arm (5-2) is connected with the sampling cylinder (5-3), the light source (5-4), the high-speed dynamic camera (5-5), the power supply (5-6), the microprocessor (5-7), The wireless emitter (5-8) and the memory (5-9) are fixed on the sampling cylinder (5-3), the light source (5-6) is connected with the microprocessor (5-7) through a first power line (5-10), a second power line (5-11) and a second communication line (5-13) are connected between the dynamic high-speed camera (5-5) and the microprocessor (5-7), the microprocessor (5-7) is connected with the wireless emitter (5-8) and the memory (5-9), and the memory (5-9) is connected with the intelligent control system (7) through a first communication line (5-12).

3. The flotation equipment pulp gas dispersion detection system of claim 2, wherein: the ore pulp gas dispersion detection device (5) is fixed on the outer wall of the flotation machine (6) through the fixed end (5-1), the ore pulp gas dispersion detection device (5) is arranged at different positions in the flotation machine (6) to be not less than twice or not less than two ore pulp gas dispersion detection devices (5) and is simultaneously installed at different positions of the flotation machine (6) to be detected, gas state data at different positions are collected and sorted, the data are transmitted to the intelligent control system (7), and the analysis is carried out to obtain the whole gas dispersion state and the law in the flotation equipment.

4. The flotation equipment pulp gas dispersion detection system of claim 1, wherein: the intelligent control system (7) is composed of a working condition recognition system (7-1) and an intelligent controller (7-2), the working condition recognition system (7-1) receives monitoring data from the concentration meter (2), the ore pulp flowmeter (3), the level meter (4) and the ore pulp gas dispersion detection device (5), and sends control signals to control the chemical dosing pump (9), the inflation valve (12) and the electric valve (14) after the monitoring data are transmitted to the intelligent controller (7-2) for analysis and processing, so that the chemical dosing amount, the flotation gas charging amount and the flotation liquid level height are adjusted.

5. The flotation equipment pulp gas dispersion detection system of claim 2, wherein: the longitudinal section of the sampling tube (5-3) is of an inverted U-shaped hollow structure, light sources (5-4) are fixed on two side walls of an inverted U-shaped groove, a high-speed dynamic camera (5-5) is fixed on the top surface of the inverted U-shaped groove, a power supply (5-6), a microprocessor (5-7), a wireless transmitter (5-8) and a memory (5-9) are integrated and then are hermetically installed inside the sampling tube (5-3), the light sources (5-4) and the high-speed dynamic camera (5-5) are subjected to waterproof sealing treatment, and the outer surface of the light sources (5-4) and lenses of the high-speed dynamic camera (5-5) are plated with anti-abrasion and waterproof films.

6. The flotation equipment pulp gas dispersion detection system of claim 2, wherein: the mechanical arm (5-2) is of an L-shaped structure with a hook, is hollow inside, is sealed and waterproof, is made of one of polyester, polycarbonate, polyvinyl chloride and stainless steel, a communication line and a power line are arranged in a hollow cylinder of the mechanical arm (5-2), and the mechanical arm (5-2) can stretch out and draw back in the transverse direction and the longitudinal direction.

7. The flotation equipment pulp gas dispersion detection system of claim 2, wherein: the high-speed dynamic camera (5-5) is internally provided with a CCD image sensor, a power management system, a digital signal processor and an infrared night vision lighting device.

8. The flotation equipment pulp gas dispersion detection system of claim 2, wherein: the microprocessor (5-7) is connected with the light source (5-4) and the high-speed camera (5-5) to control the on-off, light color and brightness of the light source (5-4), and simultaneously control the on-off of the high-speed dynamic camera (5-5), data output by the high-speed dynamic camera (5-5) is preprocessed and uploaded to the intelligent control system (7), the light source (5-4) is an LED light source and is annularly arranged on the inner wall of the sampling cylinder (5-3), and the number and position of the turned-on lights, the brightness and light color of the LED lights are controlled by the microprocessor (5-7) through the intelligent control system (7) to be adjusted.

9. The application method of the flotation equipment pulp gas dispersion detection system according to claim 2, characterized by comprising the following steps: ore pulp is conveyed to a flotation machine (6) through an ore feeding pipeline (1) for flotation according to requirements, a concentration meter (2), an ore pulp flowmeter (3) and a level meter (4) are installed on the ore feeding pipeline (1) to respectively detect the concentration, the real-time flow and the grade of the ore pulp, and transmit the concentration, the real-time flow and the grade of the ore pulp to an intelligent control system (7), an ore pulp gas dispersion detection device (5) shoots the state of bubbles in the ore pulp through a high-speed dynamic camera (5-5), and transmits the image to a microprocessor (5-7) through a communication line two (5-13), the microprocessor (5-7) preprocesses and compresses data, transmits the data to a working condition identification system (7-1) of the intelligent control system (7) for working condition identification, and calculates the proper dosage, the dosage and the grade through the analysis of the intelligent controller (7-2) of the intelligent control system (7), The air inflation quantity and the flotation liquid level height are adjusted by outputting signals through an intelligent controller (7-2) and controlling a medicine adding pump (9), an air inflation valve (12) and an electric valve (14).

Technical Field

The invention relates to the technical field of mineral processing, in particular to a system and a method for detecting gas dispersion of ore pulp of flotation equipment.

Background

Flotation is one of the most widely applied methods in mineral separation, and in actual production, the flotation recovery rate is improved as much as possible on the premise of ensuring the concentrate grade, and parameters such as liquid level, aeration quantity, chemical adding quantity and the like in the flotation process need to be detected and controlled in real time. The existing flotation detection and control method is mainly based on a flotation foam state analysis technology, ore pulp grade on-line detection and a liquid level detection instrument, achieves liquid level cooperative control based on the whole flotation process, obtains expert rules according to the relationship between foam breaking rate and bearing rate obtained by foam image analysis in the flotation process and tailings grade, provides guidance for tailings grade adjustment, controls flotation yield based on foam moving speed, and achieves stability and improvement of flotation indexes by manually adjusting parameters such as dosage and aeration quantity based on guidance of an X fluorescence grade analyzer. At present, the relationship between foam images and variables such as flotation process working conditions, flotation concentrate tailing grade, recovery rate, pH value and the like is researched more. In the practical application process, even when the same key characteristic parameters are extracted through the froth image analysis in the flotation process, the flotation working condition difference is still large, and the effect of the flotation process control is seriously influenced. Therefore, there is still a need for accurate identification of flotation conditions. The ore pulp gas dispersion parameters mainly comprise bubble size, gas content, motion state and the like, directly influence the quality of the flotation effect and are closely related to flotation indexes. The size of the bubbles determines the surface area of the bubbles in contact with solid particles, plays an important role in the hydrodynamic environment of flotation, and influences the flotation rate and the flotation selectivity; the gas content is the volume of gas phase in the ore pulp mixture, and is directly related to flotation dynamics and the bearing capacity of equipment; the state of motion of the bubbles is then closely related to the flotation mixing state and the fluid dynamics. The method based on the pulp bubble dispersion state detection has important significance for researching the flotation process, adjusting the flotation parameters and improving the flotation indexes.

The invention can realize real-time detection of flotation states such as ore pulp gas dispersion state, foam state, flotation liquid level, ore pulp grade and the like in flotation equipment, utilizes the intelligent control system to carry out working condition identification and intelligent control, and is an important technical means for intelligent control of the flotation process.

Disclosure of Invention

The invention aims to solve the technical problem of providing a system and a method for detecting the dispersion of ore pulp gas in flotation equipment, wherein the system is simple to operate and high in practicability, does not influence the flotation process and efficiency, and can realize intelligent regulation of the flotation process.

The system comprises an ore feeding pipeline, a concentration meter, an ore pulp flowmeter, a grade instrument, an ore pulp gas dispersion detection device, a flotation machine, an intelligent control system, a medicament barrel, a medicament feeding pump, a medicament flowmeter, a gas source, an inflation valve, a gas flowmeter and an electric valve, wherein the concentration meter, the ore pulp flowmeter and the grade instrument are installed on the ore feeding pipeline, the ore pulp gas dispersion detection device is installed on the flotation machine, the medicament barrel is connected with the medicament feeding pump, the medicament flowmeter is installed on a pipeline of the medicament feeding pump leading to the ore feeding pipeline, the inflation valve and the gas flowmeter are installed on a pipeline of the gas source leading to the flotation machine, the electric valve is installed on a tailing pipeline of the flotation machine and used for controlling ore feeding to the next flotation machine, and the concentration meter, the ore pulp flowmeter, the grade instrument, the ore pulp gas dispersion detection device, the medicament feeding pump, the inflation valve and the electric valve are all connected with the intelligent control system through circuits.

Wherein, gaseous dispersion detection device of ore pulp includes the stiff end, the arm, the sampler barrel, the light source, high-speed dynamic camera, a power supply, a microprocessor, wireless transmitter, a memory, power cord one, power cord two, communication line one and communication line two, arm upper portion sets up the stiff end, arm sub-unit connection sampler barrel, the light source, high-speed dynamic camera, the power, a microprocessor, wireless transmitter and memory are fixed on the sampler barrel, the light source passes through power cord one and connects microprocessor, even there are power cord two and communication line two between dynamic high-speed camera and microprocessor, microprocessor connects wireless transmitter and memory, the memory passes through communication line one and connects intelligent control system.

The ore pulp gas dispersion detection device is fixed on the outer wall of the flotation machine through the fixed end, the ore pulp gas dispersion detection device is arranged at different positions in the flotation machine to detect at least twice or at least two ore pulp gas dispersion detection devices are arranged at different positions of the flotation machine to detect at the same time, gas state data at different positions are collected and sorted, the gas state data are transmitted to the intelligent control system, and the whole gas dispersion state and law in the flotation equipment are obtained through analysis.

The intelligent control system is composed of a working condition recognition system and an intelligent controller, wherein the working condition recognition system receives monitoring data from a concentration meter, an ore pulp flowmeter, a level meter and an ore pulp gas dispersion detection device, transmits the monitoring data to the intelligent controller for analysis and processing, and sends out control signals to control a dosing pump, an inflation valve and an electric valve, and the dosing amount of a medicament, the inflation amount of flotation gas and the liquid level of flotation are adjusted.

The longitudinal section of a sampling tube is of an inverted U-shaped hollow structure, a light source is fixed on two side walls of an inverted U-shaped groove, a high-speed dynamic camera is fixed on the top surface of the inverted U-shaped groove, a power supply, a microprocessor, a wireless transmitter and a memory are integrated and then are hermetically installed inside the sampling tube, the light source and the high-speed dynamic camera are subjected to waterproof sealing treatment, and the outer surface of the light source and the high-speed dynamic camera lens are plated with an anti-abrasion and waterproof film.

The mechanical arm is of an L-shaped structure with a hook, is hollow inside, is sealed and waterproof, is made of one of polyester, polycarbonate, polyvinyl chloride and stainless steel, is internally provided with a communication wire and a power wire in a hollow cylinder, and can stretch out and draw back in the transverse direction and the longitudinal direction.

The high-speed dynamic camera is internally provided with a CCD image sensor, a power management system, a digital signal processor and an infrared night vision lighting device.

The microprocessor is connected with the light source and the high-speed camera, controls the on-off, the light color and the brightness of the light source, controls the on-off of the high-speed dynamic camera at the same time, preprocesses data output by the high-speed dynamic camera, and uploads the data to the intelligent control system, the light source is an LED light source and is annularly arranged on the inner wall of the sampling cylinder, and the number and the positions of the turn-on lamps and the brightness and the light color of the LED lamps are controlled to be adjusted by the microprocessor through the intelligent control system.

When the system is applied, ore pulp is conveyed to a flotation machine for flotation according to requirements through an ore feeding pipeline, a concentration meter, an ore pulp flowmeter and a grade meter are installed on the ore feeding pipeline, the concentration of the ore pulp, the real-time flow rate of the ore pulp and the grade of the ore pulp are respectively detected, the ore pulp is transmitted to an intelligent control system, an ore pulp gas dispersion detection device shoots the state of bubbles in the ore pulp through a high-speed dynamic camera, the images are transmitted to a microprocessor through a communication line II, the microprocessor preprocesses and compresses data, the data are transmitted to a working condition recognition system of the intelligent control system for working condition recognition, the proper dosage, the aeration quantity and the flotation liquid level height are calculated through analysis of an intelligent controller of the intelligent control system, and the dosage, the aeration quantity and the flotation liquid level height are adjusted by controlling a dosage pump, an aeration valve and an electric valve through output signal of the intelligent controller.

The technical scheme of the invention has the following beneficial effects:

in the scheme, the concentration of ore pulp, the real-time flow rate of the ore pulp and the grade of the ore pulp are respectively detected by a concentration meter, an ore pulp flowmeter and a grade meter which are installed on an ore feeding pipeline, a camera of an ore pulp gas dispersion detection device can directly shoot gas dispersion images inside the ore pulp of flotation equipment, gas dispersion state data of different positions of the flotation equipment are collected and sorted by detecting multiple devices or detecting the gas dispersion images for multiple times by a single device, and the data can be analyzed by an intelligent control system to realize real-time monitoring and regulation of the flotation process. The system has the advantages of simple structure, convenient operation, strong applicability and wide application range, can be used for various flotation processes, and can be applied to a plurality of research fields. The system realizes real-time detection of flotation states such as ore pulp gas dispersion state, foam state, flotation liquid level, ore pulp grade and the like in the flotation equipment, data are more real and reliable, an intelligent control system is used for working condition identification and intelligent control, the flotation recovery rate can be provided as far as possible on the premise of ensuring the concentrate grade, the flotation efficiency is ensured, and the system is an important technical means for intelligently controlling the flotation process.

Drawings

Fig. 1 is a schematic structural diagram of a system for detecting gas dispersion in ore pulp of a flotation device.

Wherein: 1-feeding pipeline, 2-concentration meter, 3-pulp flowmeter, 4-level meter, 5-pulp gas dispersion detection device, 5-1-fixed end, 5-2-mechanical arm, 5-3-sampling cylinder, 5-4-light source, 5-5-high-speed dynamic camera, 5-6-power supply, 5-7-microprocessor, 5-8-wireless transmitter, 5-9-memory, 5-10-power line I, 5-11-power line II, 5-12-communication line I, 5-13-communication line II, 6-flotation machine, 7-intelligent control system, 7-1-working condition identification system, 7-2-intelligent controller, 8-medicament barrel, 9-medicament feeding pump, 10-medicament flowmeter, 11-gas source, 12-inflation valve, 13-gas flowmeter and 14-electric valve.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

The invention provides a system and a method for detecting gas dispersion of ore pulp of flotation equipment.

The system comprises an ore feeding pipeline 1, a concentration meter 2, an ore pulp flowmeter 3, a gradiometer 4, an ore pulp gas dispersion detection device 5, a flotation machine 6, an intelligent control system 7, a medicament barrel 8, a medicament adding pump 9, a medicament flowmeter 10, a gas source 11, an inflation valve 12, a gas flowmeter 13 and an electric valve 14, wherein the concentration meter 2, the ore pulp flowmeter 3 and the gradiometer 4 are installed on the ore feeding pipeline 1, the ore pulp gas dispersion detection device 5 is installed on the flotation machine 6, the medicament barrel 8 is connected with the medicament adding pump 9, the medicament flowmeter 10 is installed on a pipeline leading to the ore feeding pipeline 1 of the medicament adding pump 9, the inflation valve 12 and the gas flowmeter 13 are installed on a pipeline leading to the flotation machine 6 of the gas source 11, the electric valve 14 is installed on a tailing pipeline of the flotation machine 6, the ore feeding is controlled to the next flotation machine, the concentration meter 2, the ore pulp flowmeter 3, the gradiometer 4 and the ore pulp gas dispersion detection device 5, The dosing pump 9, the inflation valve 12 and the electric valve 14 are all connected with the intelligent control system 7 through lines.

Wherein the ore pulp gas dispersion detection device 5 comprises a fixed end 5-1, a mechanical arm 5-2, a sampling cylinder 5-3, a light source 5-4, a high-speed dynamic camera 5-5, a power supply 5-6, a microprocessor 5-7, a wireless emitter 5-8, a memory 5-9, a power line I5-10, a power line II 5-11, a communication line I5-12 and a communication line II 5-13, the fixed end 5-1 is arranged at the upper part of the mechanical arm 5-2, the lower part of the mechanical arm 5-2 is connected with the sampling cylinder 5-3, the light source 5-4, the high-speed dynamic camera 5-5, the power supply 5-6, the microprocessor 5-7, the wireless emitter 5-8 and the memory 5-9 are fixed on the sampling cylinder 5-3, the light source 5-6 is connected with the microprocessor 5-7 through the power line I5-10, a power line II 5-11 and a communication line II 5-13 are connected between the dynamic high-speed camera 5-5 and the microprocessor 5-7, the microprocessor 5-7 is connected with a wireless transmitter 5-8 and a memory 5-9, and the memory 5-9 is connected with the intelligent control system 7 through the communication line I5-12.

The ore pulp gas dispersion detection device 5 is fixed on the outer wall of the flotation machine 6 through the fixed end 5-1, the ore pulp gas dispersion detection device 5 is arranged at different positions in the flotation machine 6 to carry out detection for at least two times or the ore pulp gas dispersion detection device 5 is arranged at different positions of the flotation machine 6 to carry out detection at the same time, gas state data at different positions are collected and sorted, the data are transmitted to the intelligent control system 7, and the whole gas dispersion state and law in the flotation equipment are obtained through analysis.

The intelligent control system 7 is composed of a working condition recognition system 7-1 and an intelligent controller 7-2, the working condition recognition system 7-1 receives monitoring data from the concentration meter 2, the ore pulp flowmeter 3, the grade meter 4 and the ore pulp gas dispersion detection device 5, transmits the monitoring data to the intelligent controller 7-2 for analysis and processing, and sends out control signals to control the chemical feeding pump 9, the gas charging valve 12 and the electric valve 14 so as to adjust the feeding amount of chemicals, the charging amount of flotation gas and the flotation liquid level height.

The longitudinal section of the sampling tube 5-3 is of an inverted U-shaped hollow structure, the light source 5-4 is fixed on two side walls of an inverted U-shaped groove, the high-speed dynamic camera 5-5 is fixed on the top surface of the inverted U-shaped groove, the power supply 5-6, the microprocessor 5-7, the wireless transmitter 5-8 and the memory 5-9 are integrated and then are hermetically installed inside the sampling tube 5-3, the light source 5-4 and the high-speed dynamic camera 5-5 are subjected to waterproof sealing treatment, and the outer surface of the light source 5-4 and the lens of the high-speed dynamic camera 5-5 are plated with an anti-abrasion and waterproof film.

The mechanical arm 5-2 is of an L-shaped structure with a hook, is hollow inside, is sealed and waterproof, is made of one of polyester, polycarbonate, polyvinyl chloride and stainless steel, a communication line and a power line are arranged in a hollow cylinder of the mechanical arm 5-2, and the mechanical arm 5-2 can stretch in the transverse direction and the longitudinal direction.

The high-speed dynamic camera 5-5 is internally provided with a CCD image sensor, a power supply management system, a digital signal processor and an infrared night vision lighting device.

The microprocessor 5-7 is connected with the light source 5-4 and the high-speed camera 5-5, controls the on-off, light color and brightness of the light source 5-4, controls the on-off of the high-speed dynamic camera 5-5 at the same time, preprocesses data output by the high-speed dynamic camera 5-5, and uploads the data to the intelligent control system 7, the light source 5-4 is an LED light source and is annularly arranged on the inner wall of the sampling cylinder 5-3, and the number and position of the turned-on lights, the brightness and light color of the LED lights are all controlled by the microprocessor 5-7 through the intelligent control system 7 to be adjusted.

When the system is applied, ore pulp is conveyed to a flotation machine 6 for flotation according to requirements through an ore feeding pipeline 1, a concentration meter 2, an ore pulp flowmeter 3 and a grade instrument 4 are installed on the ore feeding pipeline 1 to respectively detect the concentration of the ore pulp, the real-time flow rate of the ore pulp and the ore pulp grade and transmit the ore pulp to an intelligent control system 7, an ore pulp gas dispersion detection device 5 shoots the state of bubbles in the ore pulp through a high-speed dynamic camera 5-5 and transmits an image to a microprocessor 5-7 through a communication line two 5-13, the microprocessor 5-7 preprocesses and compresses data and transmits the data to a working condition recognition system 7-1 of the intelligent control system 7 for working condition recognition, the intelligent controller 7-2 of the intelligent control system 7 analyzes the data to calculate proper dosage, aeration quantity and flotation liquid level height, and the intelligent controller 7-2 outputs signals, the dosing pump 9, the inflation valve 12 and the electric valve 14 are controlled to adjust the dosing amount, the inflation amount and the flotation liquid level height.

The following description is given with reference to specific examples.

Example 1

Taking a single flotation machine as an example in the flotation process, selecting an XF flotation machine, installing a concentration meter, an ore pulp flowmeter and a gradiometer on an ore feeding pipeline to respectively detect the concentration of ore pulp, the real-time flow rate of the ore pulp and the grade of the ore pulp, fixing an ore pulp gas dispersion detection device at different positions of the outer wall of the flotation machine through a fixed end, adjusting a mechanical arm to enable sampling cylinders to be distributed at different positions of the flotation machine, after the ore pulp enters the sampling cylinders, adjusting the quantity and the illumination intensity of light sources according to the concentration and the internal brightness of the measured ore pulp, controlling the quantity and the brightness of LED light sources and the switch of a high-speed camera by a microprocessor according to an instruction of an upper computer, shooting images by the high-speed dynamic camera, shooting bubble states in the ore pulp by the high-speed dynamic camera, transmitting the images to the microprocessor through a communication line, preprocessing and compressing data, and transmitting all the detection data to a working condition identification system, obtaining the grade of target minerals in the ore pulp, the dispersion state of ore pulp gas, the flotation liquid level and the foam state of the concentrate; the intelligent control system calculates the proper dosage, inflation quantity and flotation liquid level height, and the intelligent controller outputs signals to control the dosing pump, the inflation valve and the electric valve to adjust the parameters.

Example 2

Taking a rough-sweeping flotation process as an example, as shown in fig. 1, two flotation machines 6 are arranged, an electric valve is arranged at a tailing outlet of each flotation machine, a chemical bucket 8 is divided into a collecting agent bucket, a foaming agent bucket and a regulator bucket, and each chemical bucket is connected with a corresponding chemical feeding pump.

Selecting an XF flotation machine, installing a concentration meter, an ore pulp flowmeter and a grade meter on an ore feeding pipeline to respectively detect the concentration of ore pulp, the real-time flow rate of the ore pulp and the grade of the ore pulp, respectively installing 2 ore pulp gas dispersion detection devices on a roughing flotation machine and a scavenging flotation machine, adjusting mechanical arms to enable sampling cylinders to be distributed at different positions of the flotation machine, after the ore pulp enters the sampling cylinders, adjusting the number and the illumination intensity of light sources, shooting the bubble state in the ore pulp, preprocessing image data, transmitting all detection data to a working condition identification system, respectively obtaining the target mineral grade in the ore pulp of the roughing flotation machine, the ore pulp gas dispersion state, the flotation liquid level, the concentrate foam state, the scavenging flotation machine ore pulp gas dispersion state, the flotation liquid level and the concentrate foam state; the intelligent control system respectively calculates the appropriate dosage, aeration quantity and flotation liquid level height of the roughing flotation machine and the scavenging flotation machine, and the intelligent controller outputs signals to control the dosing pump, the aeration valve and the electric valve to adjust the parameters.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.