CN110899005A - Intelligent monitoring device and monitoring method for flotation tank pulp and foam full tank - Google Patents
Intelligent monitoring device and monitoring method for flotation tank pulp and foam full tank Download PDFInfo
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- CN110899005A CN110899005A CN201911341940.6A CN201911341940A CN110899005A CN 110899005 A CN110899005 A CN 110899005A CN 201911341940 A CN201911341940 A CN 201911341940A CN 110899005 A CN110899005 A CN 110899005A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
An intelligent monitoring device and a monitoring method for full flotation tank pulp and foam are provided, wherein a camera, an electromagnetic flowmeter, a collector, a network switch, a BIM server, an electric control valve and an alarm are arranged on a flotation tank; the BIM server receives data of the collector, the electric control valve and the alarm transmitted by the network switch, the model building software in the BIM server generates a real-time three-dimensional model, and the control system automatically compares the real-time three-dimensional model with a standard model; if the foam height reaches the safety threshold value, the control system of the BIM server sends an activation program instruction to the alarm and the electric actuator of the electric regulating valve through the network switch, the alarm program is activated, the electric regulating valve is synchronously started, and the ore pulp output aperture is regulated and controlled. The invention has high automation degree, can ensure that the flotation production is carried out smoothly, reduces the safety risk when the flotation equipment runs at high speed and is full of the tank, avoids mineral loss and ensures the grade and recovery rate of the flotation concentrate product.
Description
Technical Field
The invention belongs to the field of mineral processing engineering flotation, and particularly relates to an intelligent monitoring device and a monitoring method for full flotation tank pulp and foam in a flotation tank.
Background
The method is characterized in that the concentrate of metals such as lead, zinc, sulfur and the like can be obtained only by flotation, the variety of minerals is large, the flotation process flow is complex, the phenomenon of full cell often occurs in the actual flotation production of a dressing plant, namely, the overflow trough is caused by too high ore pulp liquid level or too much foam in the flotation cell, the full cell can not only cause mineral loss, but also influence the grade and recovery rate of the concentrate product, and simultaneously directly cause the economic loss of the dressing plant. At present, in the traditional method, when the flotation of concentrate is carried out, an experienced operator is arranged for 24h on duty, and after the situation that the tank is full is found, emergency treatment or post treatment is carried out according to daily work experience; the traditional method has high manpower consumption and high risk of full tank, inevitably causes mineral loss, and reduces the grade and recovery rate of concentrate products.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an intelligent monitoring device and a monitoring method thereof, wherein the intelligent monitoring device can monitor the real-time state of ore pulp and foam in a flotation tank, and can automatically make adjustment and activate an alarm when the tank full trend is prompted.
In order to achieve the purpose of the invention, the technical scheme of the invention is as follows:
an intelligent monitoring device for flotation tank pulp and foam full tanks comprises a camera, an electromagnetic flowmeter, a collector, a network switch, a BIM server, an electric regulating valve and an alarm; wherein:
the camera is arranged above the flotation tank; the electromagnetic flowmeter and the electric regulating valve are respectively arranged on an ore pulp input pipeline and an ore pulp output pipeline of the flotation tank; the electric regulating valve and the alarm system are connected with the network switch through an open OPC interface; the camera and the electromagnetic flowmeter are respectively connected with the collector in a wired or wireless mode; the BIM server is connected with the collector, the electric regulating valve and the alarm through the network switch.
The invention discloses a monitoring method of an intelligent monitoring device for full flotation tank ore pulp and foam, which comprises the following steps:
collecting various data of a flotation cell on site, wherein the data comprise flotation cell structure data, flotation machine structure data, height data of the liquid level of ore pulp in the cell, thickness data of a foam layer, input speed and output speed data of the ore pulp, and installing a BIM server, a collector and a network switch;
step two, the data collected in the step one are transmitted to a BIM server through a network switch, model building software in the BIM server generates a three-dimensional model of ore pulp and foam of a flotation tank, and the three-dimensional model is set as a standard model;
thirdly, setting a corresponding foam height safety threshold Hmax according to the actual conditions of plant selection on the basis of establishing a standard model;
step four, respectively installing an electromagnetic flowmeter and an electric regulating valve on an ore pulp input pipeline and an ore pulp output pipeline of the flotation tank, installing a camera above the flotation tank to obtain foam image data, obtaining ore pulp data in the flotation tank by the electromagnetic flowmeter, and installing an alarm beside the flotation tank by the electric regulating valve to regulate and control the ore pulp flow;
step five, when the flotation tank works, the collector collects real-time data of the camera and the electromagnetic flowmeter and transmits the real-time data to the BIM server through the network switch;
step six, the BIM server receives real-time data of a collector collecting camera and an electromagnetic flow meter and data of an electric control valve and an alarm transmitted by a network switch, and model building software (namely in a BIM system) in the BIM server generates a real-time flotation tank ore pulp and foam three-dimensional model and sets the model as a real-time model; meanwhile, the control system (namely in the BIM system) compares the real-time model with the standard model, and if the real-time model is judged to be the standard model, an activation instruction is sent to an alarm and an electric regulating valve actuator; when the alarm receives an activation instruction, an alarm lamp of the alarm flashes, and meanwhile, the electric regulating valve increases the flow aperture, so that the ore pulp outflow is accelerated, and the liquid level height is reduced; if not, the flotation tank works normally.
The BIM server 5 comprises a control system and model building software, namely a BIM system, and the BIM server and the control system thereof as well as the BIM system installed on the server are all the prior art.
The invention has the beneficial effects that: compared with the prior art, the intelligent monitoring device is arranged on the flotation tank, the BIM server receives real-time data such as ore pulp flow monitored by the electromagnetic flowmeter, flotation tank foam images monitored by the camera, opening of the electric regulating valve and the like collected by the collector and transmitted by the network switch, the model building software (namely in the BIM system) in the BIM server generates a real-time three-dimensional model, and the control system (namely in the BIM system) automatically compares the real-time three-dimensional model with the standard model; if the foam height reaches a safety threshold value and the trend of full tank generation exists, a control system of the BIM server sends an activation program instruction to an alarm and an electric actuator of an electric regulating valve through a network switch, the alarm program is activated, an alarm indicator lamp flickers, so that a worker is reminded, the electric regulating valve is started synchronously, the ore pulp output aperture is regulated and controlled, the ore pulp liquid level height is reduced, and the phenomenon that full tank foam overflows is avoided. The invention can monitor the real-time state of ore pulp and foam in the flotation tank, automatically make adjustment and activate alarm when the ore pulp and foam are abnormal or can generate the trend of full tank, has high automation degree, can ensure smooth flotation production, reduces the safety risk when the flotation equipment runs at high speed and is full tank, avoids mineral loss and ensures the grade and recovery rate of flotation concentrate products.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the apparatus of the present invention positioned on a flotation cell;
FIG. 3 is a flow chart of a monitoring method of the present invention;
wherein, the system comprises a camera 1, an electromagnetic flowmeter 2, a collector 3, a network switch 4, a BIM server 5, an electric control valve 6 and an alarm 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings.
The working principle of the invention is as follows: as shown in fig. 1-3, the collector 3 collects various data of the flotation cell 10 on site, including flotation cell structure data, flotation machine structure data, liquid level height data of ore pulp in the cell, thickness data of foam layer, input rate and output rate data of ore pulp are transmitted to the BIM server 5 through the network switch, model building software (namely in the BIM system) in the BIM server 5 generates a flotation cell ore pulp foam three-dimensional model under normal state, and sets the model as a standard model thereof, and sets a corresponding foam height safety threshold; when the flotation cell 10 works, the camera 1 acquires field image data of the flotation cell, the electromagnetic flowmeter 2 acquires pulp data of the flotation cell, the collector 3 acquires real-time data of the camera 1 and the electromagnetic flowmeter 2 and inputs the real-time data into the BIM server 5 through the network switch 4, model building software in the BIM server 5 generates a real-time flotation cell pulp and foam three-dimensional model and sets the model as a real-time model, meanwhile, a control system (namely in the BIM system) compares the real-time model with a standard model to judge whether a safety threshold value is reached, and if so, an activation instruction is sent to an alarm and an electric actuator; the alarm receives an activation instruction, an alarm lamp of the alarm flickers, and meanwhile, the electric regulating valve increases the flow aperture, so that the ore pulp outflow is accelerated, and the liquid level height is reduced; if not, the flotation cell works normally.
Referring to fig. 1-3, an intelligent monitoring device for flotation tank pulp and foam full tank comprises a camera 1, an electromagnetic flowmeter 2, a collector 3, a network switch 4, a BIM server 5, an electric control valve 6 and an alarm 7; the camera 1 is arranged above the flotation tank; the electromagnetic flowmeter 2 and the electric regulating valve 6 are respectively arranged on an ore pulp input pipeline 8 and an output pipeline 9 of the flotation cell; the electric control valve 6 and the alarm 7 are connected with the network switch 4 through an open OPC interface; the camera 1 and the electromagnetic flowmeter 2 are respectively connected with the collector 3 in a wired or wireless mode; BIM server 5 passes through network switch 4 and is connected with collector 3, electrical control valve 6 and alarm 7.
The BIM server 5 comprises a control system and model building software, namely a BIM system, and the BIM server and the control system thereof as well as the BIM system installed on the server are all the prior art.
Referring to fig. 1-3, the monitoring method of the apparatus of the present invention comprises the following steps:
step one, adopting a JJF-8 mechanical stirring air suction type flotation machine as a flotation machine, wherein the single-tank specification is 2200 x 2900 x 1400mm, and matching with an YL100-6 scraper motor for use; the length a of the flotation tank outside the field collection flotation tank is 8.7m, the width b of the flotation tank is 6.6m, the height h of the flotation tank is 1.4m, the radius R of the ore pulp input pipeline is 0.08m, and the radius R of the ore pulp output pipeline is 0.1 m; a pulp output rate; installing a BIM server 5, a collector 3 and a network switch 4;
step two, establishing a flotation tank pulp foam three-dimensional model in a normal state in model building software in the BIM server 5 according to the data collected in the step one, and setting the model as a standard model;
thirdly, setting a reasonable corresponding foam height safety threshold Hmax according to the actual conditions of plant selection on the basis of establishing the standard model, wherein the safety threshold Hmax can be defined in the BIM server 5 by self according to needs;
and step four, mounting the LDG-MIK electromagnetic flow meter 2 on the ore pulp input pipeline 8 and the ore pulp output pipeline 9 of the flotation tank 10 by adopting pipeline flanges respectively to monitor the volume change Vx of the ore pulp in the tank. The computer calculates the height change of the liquid level of the ore pulp in the tank according to a formula Hx (Vx/(a) b); installing a DS-2CD3T86FWDV2-I5S high-definition camera 1 above the flotation tank 10 in an inclined mode to obtain a real-time liquid level foam image, wherein the view field of the camera covers the surface range of the flotation tank completely; the ore pulp input pipeline 8 and the ore pulp output pipeline 9 of the flotation tank 10 are respectively installed by adopting pipeline flanges, and a Shuixing ZDLP-40 electronic type electric single-seat regulating valve 6 (internally provided with a 381L type electronic type electric actuator) is installed by adopting flanges to regulate the actual calibers of the ore pulp input pipeline 8 and the ore pulp output pipeline 9 so as to regulate the output speed of the whole ore pulp, the electric regulating valve 6 is automatically controlled by being provided with the 381L type electronic type electric actuator, the actuator program carries out information transmission with a BIM server 5 through an open OPC interface via a network switch, when the height of a foam layer of the flotation tank is normal, the valve opening is h 1-0.11 m, and when the height of the foam layer of the flotation tank reaches a safety threshold value, the valve opening is automatically regulated to h 2-0; an alarm lamp 7 is arranged beside the flotation tank 10, the alarm 7 is preferably a JRSG03 acousto-optic alarm system alarm, and the alarm 7 is controlled by the BIM server 5;
step five, the collector 3 collects real-time data of the camera 1 and the electromagnetic flowmeter 2 and transmits the real-time data to the BIM server 5 through the network switch 4; the collector preferably adopts a rock-linked YL-BSU wireless collector;
step six, the BIM server 5 receives real-time data of the acquisition camera 1 and the electromagnetic flowmeter 2 and data of the electric regulating valve 6 and the alarm 7 which are transmitted by the network switch 4 and acquired by the acquisition device 3, model building software (namely in a BIM system) in the BIM server 5 generates a real-time flotation tank ore pulp and foam three-dimensional model, and sets the model as a real-time model; meanwhile, the control system compares the real-time model with the standard model, and if the real-time model is judged to be the standard model, an activation instruction is sent to an alarm 7 and an actuator of the electric regulating valve 6; alarm 7 receives the activation instruction, and alarm 7's warning light scintillation simultaneously electric control valve 6 increase circulation bores to accelerate the ore pulp outflow, reduce liquid level height. If not, the flotation tank works normally.
In this embodiment, the LDG-MIK electromagnetic flowmeter used is a mining special instrument, the pressure loss is extremely small, the measurable flow range is large, and the ratio of the maximum flow to the minimum flow is generally 20: 1, the applicable industrial pipe diameter range is wide, the maximum pipe diameter range can reach 3m, the output signal and the measured flow are linear, the accuracy is higher, and the maximum performance of the working performance and the service life of the pipe is ensured by adopting the pipe flange installation; the flotation tank can be covered by one DS-2CD3T86FWDV2-I5S high-definition monitoring camera, the image is clear, the clear image can be obtained under the condition of dark and weak light, and the system is very suitable for being used as an image acquisition tool of a flotation workshop; the used Shuixing ZDLP-40 electronic electric single-seat regulating valve is resistant to acid and alkali corrosion, and the opening degree of the automatic regulating valve can be set by a computer; the RS3300-28T-4F network switch is an industrial network switch, has high response speed and is suitable for wide working conditions; the above equipment is commercially available.
The invention can monitor the real-time state of ore pulp and foam in the flotation tank, automatically make adjustment and activate alarm when the ore pulp and foam are abnormal or can generate the trend of full tank, has high automation degree, can ensure smooth flotation production, reduces the safety risk when the flotation equipment runs at high speed and is full tank, avoids mineral loss and ensures the grade and recovery rate of flotation concentrate products.
Claims (2)
1. An intelligent monitoring device for flotation tank pulp and foam full tanks is characterized by comprising a camera (1), an electromagnetic flowmeter (2), a collector (3), a network switch (4), a BIM server (5), an electric regulating valve (6) and an alarm (7); wherein:
the camera (1) is arranged above the flotation tank; the electromagnetic flowmeter (2) and the electric regulating valve (6) are respectively arranged on an ore pulp input pipeline (8) and an output pipeline (9) of the flotation cell; the electric control valve (6) and the alarm system (7) are connected with the network switch (4) through an open OPC interface; the camera (1) and the electromagnetic flowmeter (2) are respectively connected with the collector (3) in a wired or wireless mode; the BIM server (5) is connected with the collector (3), the electric control valve (6) and the alarm (7) through the network switch (4).
2. The monitoring method adopting the intelligent monitoring device for the full flotation tank pulp and froth according to claim 1, characterized by comprising the following steps:
collecting various data of a flotation cell on site, wherein the data comprise flotation cell structure data, flotation machine structure data, height data of the liquid level of ore pulp in the cell, thickness data of a foam layer, input speed and output speed data of the ore pulp, and installing a BIM server, a collector and a network switch;
step two, the data collected in the step one are transmitted to a BIM server through a network switch, model building software in the BIM server generates a three-dimensional model of ore pulp and foam of a flotation tank, and the three-dimensional model is set as a standard model;
thirdly, setting a corresponding foam height safety threshold Hmax according to the actual conditions of plant selection on the basis of establishing a standard model;
step four, respectively installing an electromagnetic flowmeter and an electric regulating valve on an ore pulp input pipeline and an ore pulp output pipeline of the flotation tank, installing a camera above the flotation tank in an inclined mode to acquire foam image data, obtaining ore pulp data in the flotation tank by the electromagnetic flowmeter, installing an alarm beside the flotation tank by the electric regulating valve to regulate and control the ore pulp flow;
step five, when the flotation tank works, the collector collects real-time data of the camera and the electromagnetic flowmeter and transmits the real-time data to the BIM server through the network switch;
step six, the BIM server receives real-time data of a collector collecting camera and an electromagnetic flow meter, data of an electric control valve and an alarm transmitted by a network switch, model building software in the BIM server generates a real-time flotation tank ore pulp and foam three-dimensional model, and sets the model as a real-time model; meanwhile, the control system in the BIM server compares the real-time model with the standard model, if yes, an activation instruction is sent to the alarm and the electric regulating valve actuator, the alarm receives the activation instruction, an alarm lamp of the alarm flickers, and meanwhile, the electric regulating valve increases the flow aperture, so that the outflow of ore pulp is accelerated, and the height of the liquid level is reduced; if not, the flotation tank works normally.
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| CN201911341940.6A CN110899005A (en) | 2019-12-24 | 2019-12-24 | Intelligent monitoring device and monitoring method for flotation tank pulp and foam full tank |
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| CN201911341940.6A CN110899005A (en) | 2019-12-24 | 2019-12-24 | Intelligent monitoring device and monitoring method for flotation tank pulp and foam full tank |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588445A (en) * | 2020-10-09 | 2021-04-02 | 太原钢铁(集团)有限公司 | Operating method for stabilizing reverse flotation production |
| CN113042220A (en) * | 2021-04-07 | 2021-06-29 | 中国恩菲工程技术有限公司 | Flotation running groove control system and flotation running groove control method |
-
2019
- 2019-12-24 CN CN201911341940.6A patent/CN110899005A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588445A (en) * | 2020-10-09 | 2021-04-02 | 太原钢铁(集团)有限公司 | Operating method for stabilizing reverse flotation production |
| CN113042220A (en) * | 2021-04-07 | 2021-06-29 | 中国恩菲工程技术有限公司 | Flotation running groove control system and flotation running groove control method |
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