CN114225482A - Automatic control system and method for traditional thickener in tailing workshop - Google Patents

Automatic control system and method for traditional thickener in tailing workshop Download PDF

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Publication number
CN114225482A
CN114225482A CN202111509399.2A CN202111509399A CN114225482A CN 114225482 A CN114225482 A CN 114225482A CN 202111509399 A CN202111509399 A CN 202111509399A CN 114225482 A CN114225482 A CN 114225482A
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China
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ore pulp
thickener
threshold value
electric valve
ore
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贠小燕
曾中卫
师维俊
李建伟
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Jinchuan Group Nickel Cobalt Co ltd
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Jinchuan Group Co Ltd
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Priority to CN202111509399.2A priority Critical patent/CN114225482A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30Control equipment
    • B01D21/302Active control mechanisms with external energy, e.g. with solenoid valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30Control equipment
    • B01D21/34Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G05B19/054Input/output

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Flow Control (AREA)

Abstract

The invention relates to the technical field of automatic control of thickeners, and provides an automatic control system and method for a traditional thickener in a tailing workshop. The system comprises an upper computer, a programmable controller, a traditional thickener and a sewage tank; the traditional thickener is provided with an ore deposit quality detector at the bottom; the traditional thickener is communicated with two connecting pipelines, the connecting pipelines are connected with an ore pulp conveying pipeline, an electric valve, an ore pulp conveying pump, an electric valve and an electromagnetic flowmeter are sequentially arranged from the head end to the tail end of the connecting pipeline, and a temperature vibration sensor and a rotating speed sensor are arranged on the ore pulp conveying pump; the upper part of the sewage pool is provided with a radar liquid level meter, and a sewage pump is arranged on the sewage conveying pipeline. The invention can realize the automatic and efficient control of the traditional thickener, reduce the influence of the fault of the ore pulp conveying line on the normal production, reduce the labor intensity of workers, improve the running stability and the running efficiency of the equipment and maintain the production in the optimal state.

Description

Automatic control system and method for traditional thickener in tailing workshop
Technical Field
The invention relates to the technical field of automatic control of thickeners, in particular to an automatic control system and method for a traditional thickener in a tailing workshop.
Background
The thickener is a main device for concentrating ore pulp, is widely applied to the industries of ore dressing, metallurgy, sewage treatment and the like, has the advantages of small occupied area, low energy consumption and high efficiency compared with other concentrating devices, and is particularly commonly applied to the concentrating mill in China. With the development of computers and automation technologies, it is urgently needed to introduce a computer control system into a full process to form full-process automatic control and resource sharing, so that the productivity is improved, and the enterprise competitiveness is improved.
At present, the traditional thickener is taken as a basis and the high-efficiency thickener is taken as a direction of the thickener in China, the performance and the structure are continuously optimized, and the thickener is developed towards high performance, high reliability, high throughput and high automation degree. The thickener can be divided into a traditional thickener and a high-efficiency thickener of which the small processing capacity can be 2-9 times larger than that of the traditional thickener according to the unit processing capacity. The traditional thickener has large occupied area and small treatment capacity, and mainly depends on the gravity action to realize particle sedimentation, and the underflow concentration is lower and is below 45 percent; the high-efficiency thickener adopts the coagulation adsorption capacity, fully exerts the sedimentation of the polymer flocculant on fine mud ore particles, forms large particles to accelerate the sedimentation speed, and achieves the effects of flocculation concentration, large treatment capacity, good overflow water quality and underflow concentration higher than 45 percent. The tailings in the beneficiation workshop are concentrated by underflow of a high-efficiency thickener, and then overflow water enters a traditional thickener for secondary precipitation and then enters a water return pool.
The control process of the traditional thickener at present mainly depends on the regular manual operation of field post personnel, the automatic control is not realized, the automation level is lower, the control efficiency is lower, and the labor intensity is higher. And it is difficult to maintain production in an optimum state by manual operation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an automatic control system and method for a traditional thickener in a tailing workshop, which can realize automatic high-efficiency control of the traditional thickener, reduce the influence of ore pulp conveying line faults on normal production, reduce the labor intensity of workers, improve the running stability and running efficiency of equipment and maintain the production in an optimal state.
The technical scheme of the invention is as follows:
an automatic control system of a traditional thickener in a tailing workshop comprises an upper computer, a programmable controller, a first traditional thickener (1-1), a second traditional thickener (1-2), a first sewage tank (12-1), a second sewage tank (12-2), a slurry tank and a return water tank; the feed inlet of the first traditional thickener (1-1) is communicated with the overflow port of the high-efficiency thickener, the overflow port of the first traditional thickener (1-1) is communicated with the feed inlet of the second traditional thickener (1-2), and the overflow port of the second traditional thickener (1-2) is communicated with the feed inlet of the water return pool; the first traditional thickener (1-1) and the second traditional thickener (1-2) are respectively provided with a first ore deposit quality detector (13-1) and a second ore deposit quality detector (13-2) at the bottoms;
the underflow opening of the first traditional thickener (1-1) is communicated with the head ends of a first connecting pipeline (4-1) and a second connecting pipeline (4-2), the tail ends of the first connecting pipeline (4-1) and the second connecting pipeline (4-2) are communicated with the head end of a first ore pulp conveying pipeline (10-1), and the tail end of the first ore pulp conveying pipeline (10-1) is communicated with the feed inlet of the ore pulp pond; the ore pulp conveying device is characterized in that a first electric valve (6-1), a first ore pulp conveying pump (2-1), a second electric valve (6-2) and a first electromagnetic flow meter (5-1) are sequentially arranged on the first connecting pipeline (4-1) from the head end to the tail end, a third electric valve (6-3), a second ore pulp conveying pump (2-2), a fourth electric valve (6-4) and a second electromagnetic flow meter (5-2) are sequentially arranged on the second connecting pipeline (4-2) from the head end to the tail end, a first temperature vibration sensor (8-1) and a first speed rotation sensor (9-1) are arranged at an axial extension end of a driving motor of the first ore pulp conveying pump (2-1), and a second temperature vibration sensor (8-2) and a second electromagnetic flow meter (5-2) are arranged at an axial extension end of the driving motor of the second ore pulp conveying pump (2-2), A second rotational speed sensor (9-2); the ore discharge port of the first traditional thickener (1-1) is communicated with the feed inlet of the first sewage tank (12-1), the feed inlet of the first sewage tank (12-1) is communicated with the head end of a first sewage conveying pipeline (11-1), a first sewage pump (3-1) is arranged on the first sewage conveying pipeline (11-1), and a first radar liquid level meter (7-1) is arranged above the first sewage tank (12-1);
the underflow opening of the second traditional thickener (1-2) is communicated with the head ends of a third connecting pipeline (4-3) and a fourth connecting pipeline (4-4), the tail ends of the third connecting pipeline (4-3) and the fourth connecting pipeline (4-4) are communicated with the head end of the second ore pulp conveying pipeline (10-2), and the tail end of the second ore pulp conveying pipeline (10-2) is communicated with the feed inlet of the ore pulp pond; the third connecting pipeline (4-3) is sequentially provided with a fifth electric valve (6-5), a third ore pulp conveying pump (2-3), a sixth electric valve (6-6) and a third electromagnetic flow meter (5-3) from the head end to the tail end, the fourth connecting pipeline (4-4) is sequentially provided with a seventh electric valve (6-7), a fourth ore pulp conveying pump (2-4), an eighth electric valve (6-8) and a fourth electromagnetic flow meter (5-4) from the head end to the tail end, a driving motor of the third ore pulp conveying pump (2-3) is provided with a third temperature vibration sensor (8-3) and a third rotation speed sensor (9-3) at an axial extension end, and a driving motor of the fourth ore pulp conveying pump (2-4) is provided with a fourth temperature vibration sensor (8-4) and a fourth electromagnetic flow meter (5-4) at the axial extension end, A fourth rotation speed sensor (9-4); the ore discharge port of the second traditional thickener (1-2) is communicated with the feed inlet of the second sewage tank (12-2), the feed inlet of the second sewage tank (12-2) is communicated with the head end of a second sewage conveying pipeline (11-2), a second sewage pump (3-2) is arranged on the second sewage conveying pipeline (11-2), and a second radar liquid level meter (7-2) is arranged above the second sewage tank (12-2);
the output of every deposit quality detector, temperature vibration sensor, speed sensor, electromagnetic flowmeter, radar level gauge all with programmable controller's input electricity is connected, programmable controller's output and every electric valve, the driving motor of every ore pulp delivery pump, the driving motor's of every sewage pump input electricity are connected, programmable controller with the host computer passes through fiber connection.
Further, the programmable controller is connected with a mobile terminal through a wireless network, the upper computer is electrically connected with an audible and visual alarm, and the audible and visual alarm is connected with the mobile terminal through the wireless network; the first traditional thickener (1-1) and the second traditional thickener (1-2) are both provided with human body infrared induction alarms at underflow gates, and the human body infrared induction alarms are respectively connected with the mobile terminal through a wireless network and the upper computer through optical fibers.
Furthermore, the system also comprises a video monitoring system, wherein the video monitoring system comprises a video monitor arranged in the main control room, at least four video dome cameras arranged at different monitoring points of the pump station site and a disk array, and the video dome cameras, the disk array and the video monitor are sequentially connected through optical fibers.
The method for automatically controlling the conventional thickener in the tailing workshop by the automatic control system of the conventional thickener in the tailing workshop is characterized by comprising the following steps of:
step 1: setting a threshold value: the upper computer presets a minimum ore deposit mass threshold value and a maximum ore deposit mass threshold value of a traditional thickener, a rotating speed threshold value, a temperature threshold value and a vibration frequency threshold value of a motor of an ore pulp delivery pump, a maximum liquid level threshold value and a minimum liquid level threshold value of a sewage pool and a flow threshold value of an electromagnetic flowmeter;
step 2: the method comprises the following steps of (1) collecting quality data of ore deposits and starting a common ore pulp conveying line: the programmable controller respectively collects first ore deposit quality data and second ore deposit quality data of a first traditional thickener (1-1) and a second traditional thickener (1-2) through a first ore deposit quality detector (13-1) and a second ore deposit quality detector (13-2), and transmits the ore deposit quality data to the upper computer, the upper computer controls the first traditional thickener (1-1), a first electric valve (6-1), a first ore pulp delivery pump (2-1) and a second electric valve (6-2) to be opened through the programmable controller when the first ore deposit quality exceeds a highest ore deposit quality threshold value, and controls the second traditional thickener (1-2), a fifth electric valve (6-5), a third ore pulp delivery pump (2-3) through the programmable controller when the second ore deposit quality exceeds the highest ore deposit quality threshold value, The sixth electric valve (6-6) is opened;
and step 3: collecting system operation data: the programmable controller collects system operation data, and comprises: respectively acquiring a first rotating speed, a first temperature and a first vibration frequency of a motor of a first ore pulp conveying pump (2-1) through a first rotating speed sensor (9-1) and a first temperature vibration sensor (8-1), respectively acquiring a second rotating speed, a second temperature and a second vibration frequency of a motor of a third ore pulp conveying pump (2-3) through a third rotating speed sensor (9-3) and a third temperature vibration sensor (8-3), respectively acquiring a first liquid level and a second liquid level of a first sewage tank (12-1) and a second sewage tank (12-2) through a first radar liquid level meter (7-1) and a second radar liquid level meter (7-2), respectively acquiring a first connecting pipeline (4-1) and a second connecting pipeline (4-1) through a first electromagnetic flow meter (5-1) and a third electromagnetic flow meter (5-3), respectively, The first flow and the second flow of the third connecting pipeline (4-3) transmit the collected system operation data to the upper computer;
and 4, step 4: the host computer carries out traditional thickener automatic control according to received system operation data and predetermined threshold value, includes: the upper computer controls the first traditional thickener (1-1), the first electric valve (6-1), the first ore pulp delivery pump (2-1) and the second electric valve (6-2) to be closed through the programmable controller when the first ore deposit quality is lower than the lowest ore deposit quality threshold value, controls the second traditional thickener (1-2), the fifth electric valve (6-5), the third ore pulp delivery pump (2-3) and the sixth electric valve (6-6) to be closed through the programmable controller when the second ore deposit quality is lower than the lowest ore deposit quality threshold value, and returns to the step 2, and the cycle is repeated.
Further, the step 4 further includes: when the first rotating speed is lower than a rotating speed threshold value or the first temperature is higher than a temperature threshold value or the first vibration frequency is higher than a vibration frequency threshold value or the first flow is lower than a flow threshold value, the upper computer controls the audible and visual alarm to perform audible and visual alarm and controls the first electric valve (6-1), the first ore pulp conveying pump (2-1) and the second electric valve (6-2) to be closed through the programmable controller, and controls the standby third electric valve (6-3), the standby second ore pulp conveying pump (2-2) and the standby fourth electric valve (6-4) to be opened; when the second rotating speed is lower than the rotating speed threshold value, or the second temperature is higher than the temperature threshold value, or the second vibration frequency is higher than the vibration frequency threshold value, or the second flow is lower than the flow threshold value, the upper computer controls the audible and visual alarm to perform audible and visual alarm, controls the fifth electric valve (6-5), the third ore pulp conveying pump (2-3) and the sixth electric valve (6-6) to be closed through the programmable controller, and controls the standby seventh electric valve (6-7), the fourth ore pulp conveying pump (2-4) and the eighth electric valve (6-8) to be opened.
Further, the step 4 further includes:
when the first liquid level is higher than the highest liquid level threshold value, the upper computer controls a first sewage pump (3-1) to be started; when the second liquid level is higher than the highest liquid level threshold value, the upper computer controls the second sewage pump (3-2) to be started; when the time that the first liquid level or the second liquid level is higher than the highest liquid level threshold exceeds a set time threshold, the upper computer controls the audible and visual alarm to give an audible and visual alarm;
when the first liquid level is lower than the lowest liquid level threshold value, the upper computer controls the first sewage pump (3-1) to be closed; and when the second liquid level is lower than the lowest liquid level threshold value, the upper computer controls the second sewage pump (3-2) to be closed.
Further, the step 4 further includes: when a person enters the underflow door, the human body infrared sensing alarm carries out voice alarm reminding and sends a signal to the upper computer, and alarm reminding information is displayed on the upper computer.
Further, the mobile terminal is used for replacing the upper computer to carry out threshold setting, ore deposit quality data acquisition, opening of a common ore pulp conveying line, system operation data acquisition and automatic control of a traditional thickener.
The invention has the beneficial effects that:
(1) the invention realizes the automatic regulation and control of overflow pulp and underflow pulp of the traditional thickener by arranging the upper computer, the programmable controller, the ore deposit quality detector inside the thickener, the electric valve on the common pulp conveying line and the standby pulp conveying line, the pulp conveying pump, the electromagnetic flowmeter, the temperature vibration sensor, the rotating speed sensor, the radar liquid level meter in the sewage tank and the sewage pump on the sewage conveying pipeline to carry out interlocking control, thereby improving the automation level of the production system, reducing the labor intensity of workers, simultaneously improving the stability and the operation efficiency of the equipment operation and keeping the production in the optimal state. Specifically, the operation state of the ore pulp delivery pump is automatically judged according to the rotating speed, the temperature and the vibration frequency data of the ore pulp delivery pump and the flow data of an ore pulp delivery line, an alarm signal is sent out when a fault occurs, a common ore pulp delivery line is automatically closed, a standby ore pulp delivery line is started, and the influence of the fault of the ore pulp delivery line on normal production is reduced; according to the liquid level data of the sewage pool, the opening and closing of the sewage pump are controlled, the automation of sewage extraction is realized, and the sound-light alarm that the liquid level is continuously higher than the highest liquid level threshold value is realized.
(2) The mobile terminal is arranged, so that the automatic control and the movement of the traditional thickener are convenient and quick.
(3) The invention realizes the remote monitoring of the traditional thickener by arranging the video monitoring system, thereby achieving the aim of unattended remote monitoring.
Drawings
Fig. 1 is a schematic structural diagram of a conventional thickener automatic control system of a tailing plant of the present invention.
Fig. 2 is an electrical control schematic diagram of the automatic control system of the conventional thickener in the tailing plant of the present invention.
In the figure, 1-a first traditional thickener, 1-2-a second traditional thickener, 2-1-a first pulp delivery pump, 2-a second pulp delivery pump, 2-3-a third pulp delivery pump, 2-4-a fourth pulp delivery pump, 3-1-a first sewage pump, 3-2-a second sewage pump, 4-1-a first connecting pipeline, 4-2-a second connecting pipeline, 4-3-a third connecting pipeline, 4-a fourth connecting pipeline, 5-1-a first electromagnetic flowmeter, 5-2-a second electromagnetic flowmeter, 5-3-a third electromagnetic flowmeter, 5-4-a fourth electromagnetic flowmeter, 6-1-a first electric valve, 6-2-a second electric valve, 6-3-a third electric valve, 6-4-a fourth electrically operated valve, 6-5-a fifth electrically operated valve, 6-a sixth electrically operated valve, 6-7-a seventh electrically operated valve, 6-8-an eighth electrically operated valve, 7-1-a first radar level gauge, 7-2-a second radar level gauge, 8-1-a first temperature vibration sensor, 8-2-a second temperature vibration sensor, 8-3-a third temperature vibration sensor, 8-4-a fourth temperature vibration sensor, 9-1-a first rotation speed sensor, 9-2-a second rotation speed sensor, 9-3-a third rotation speed sensor, 9-4-a fourth rotation speed sensor, 10-1-a first ore pulp conveying pipeline, 10-2-a second ore pulp conveying pipeline, 11-1-a first sewage conveying pipeline, 11-2-a second sewage conveying pipeline, 12-1-a first sewage tank, 12-2-a second sewage tank, 13-1-a first ore deposit quality detector and 13-2-a second ore deposit quality detector.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
It should be noted that the terms "first", "second", "third", and the like used in the present invention are used only for distinguishing different elements and data, and do not limit the scope of the present invention.
As shown in fig. 1, the automatic control system for the conventional thickener in the tailing workshop comprises an upper computer, a programmable controller, a first conventional thickener 1-1, a second conventional thickener 1-2, a first sewage tank 12-1, a second sewage tank 12-2, a slurry tank and a water return tank; the feed inlet of the first traditional thickener 1-1 is communicated with the overflow port of the high-efficiency thickener, the overflow port of the first traditional thickener 1-1 is communicated with the feed inlet of the second traditional thickener 1-2, and the overflow port of the second traditional thickener 1-2 is communicated with the feed inlet of the water return pool; the first traditional thickener 1-1 and the second traditional thickener 1-2 are respectively provided with a first ore deposit quality detector 13-1 and a second ore deposit quality detector 13-2 at the bottom.
The underflow port of the first traditional thickener 1-1 is communicated with the head ends of a first connecting pipeline 4-1 and a second connecting pipeline 4-2, the tail ends of the first connecting pipeline 4-1 and the second connecting pipeline 4-2 are communicated with the head end of a first ore pulp conveying pipeline 10-1, and the tail end of the first ore pulp conveying pipeline 10-1 is communicated with the feed inlet of the ore pulp tank; the first connecting pipeline 4-1 is sequentially provided with a first electric valve 6-1, a first ore pulp delivery pump 2-1, a second electric valve 6-2 and a first electromagnetic flowmeter 5-1 from the head end to the tail end, the second connecting pipeline 4-2 is sequentially provided with a third electric valve 6-3, a second ore pulp delivery pump 2-2, a fourth electric valve 6-4 and a second electromagnetic flowmeter 5-2 from the head end to the tail end, a first temperature vibration sensor 8-1 and a first rotating speed sensor 9-1 are arranged at the shaft extension end of a driving motor of the first ore pulp delivery pump 2-1, a second temperature vibration sensor 8-2 and a second rotating speed sensor 9-2 are arranged at the shaft extension end of a driving motor of the second ore pulp delivery pump 2-2; the ore discharge port of the first traditional thickener 1-1 is communicated with the feed inlet of the first sewage tank 12-1, the feed inlet of the first sewage tank 12-1 is communicated with the head end of a first sewage conveying pipeline 11-1, a first sewage pump 3-1 is arranged on the first sewage conveying pipeline 11-1, and a first radar liquid level meter 7-1 is arranged above the first sewage tank 12-1.
The underflow port of the second traditional thickener 1-2 is communicated with the head ends of a third connecting pipeline 4-3 and a fourth connecting pipeline 4-4, the tail ends of the third connecting pipeline 4-3 and the fourth connecting pipeline 4-4 are communicated with the head end of the second pulp conveying pipeline 10-2, and the tail end of the second pulp conveying pipeline 10-2 is communicated with the feed inlet of the pulp tank; the third connecting pipeline 4-3 is sequentially provided with a fifth electric valve 6-5, a third ore pulp delivery pump 2-3, a sixth electric valve 6-6 and a third electromagnetic flowmeter 5-3 from the head end to the tail end, the fourth connecting pipeline 4-4 is sequentially provided with a seventh electric valve 6-7, a fourth ore pulp delivery pump 2-4, an eighth electric valve 6-8 and a fourth electromagnetic flowmeter 5-4 from the head end to the tail end, a third temperature vibration sensor 8-3 and a third rotating speed sensor 9-3 are arranged at the shaft extension end of a driving motor of the third ore pulp delivery pump 2-3, a driving motor of the fourth ore pulp conveying pump 2-4 is provided with a fourth temperature vibration sensor 8-4 and a fourth rotating speed sensor 9-4 at the shaft extension end; the ore discharge port of the second conventional thickener 1-2 is communicated with the feed inlet of the second sewage tank 12-2, the feed inlet of the second sewage tank 12-2 is communicated with the head end of a second sewage conveying pipeline 11-2, a second sewage pump 3-2 is arranged on the second sewage conveying pipeline 11-2, and a second radar liquid level meter 7-2 is arranged above the second sewage tank 12-2.
As shown in fig. 2, the output ends of each deposit quality detector, the temperature vibration sensor, the rotation speed sensor, the electromagnetic flowmeter and the radar level gauge are electrically connected with the input end of the programmable controller, the output end of the programmable controller is electrically connected with the input ends of each electric valve, the driving motor of each ore pulp delivery pump and the driving motor of each sewage pump, and the programmable controller is connected with the upper computer through optical fibers.
In this embodiment, the programmable controller is connected to a mobile terminal through a wireless network, the upper computer is electrically connected to an audible and visual alarm, and the audible and visual alarm is connected to the mobile terminal through a wireless network; the first traditional thickener 1-1 and the second traditional thickener 1-2 are both provided with human body infrared induction alarms at underflow gates, and the human body infrared induction alarms are respectively connected with the mobile terminal through a wireless network and the upper computer through optical fibers.
In this embodiment, the automatic control system for the traditional thickener in the tailing workshop further comprises a video monitoring system, the video monitoring system comprises a video monitor arranged in a main control room, at least four video ball machines arranged at different monitoring points on the site of a pump station and a disk array, and the video ball machines, the disk array and the video monitor are sequentially connected through optical fibers. This video monitoring system can circulate the glance to the pump station, realizes the no dead angle monitoring video recording of pump station, and when audible-visual annunciator reported to the police, post personnel can transfer the alarm position in real time and look over, and video record storage is at least a month.
In this embodiment, the first connecting pipeline 4-1 and the third connecting pipeline 4-3 are both common pulp conveying lines, and the second connecting pipeline 4-2 and the fourth connecting pipeline 4-4 are both spare pulp conveying lines. The programmable controller adopts AB1769 series industrial PLC, including advanced process control software; the model of the mobile terminal is M5 EX. All install electronic flow switch on water seal water pipe and the cooling water pipe of every ore pulp delivery pump, electronic flow switch is connected with the programmable controller electricity, carries out interlocking control by PLC: when the ore pulp delivery pump needs to be started, firstly opening the electric flow switches of the water seal water pipe and the cooling water pipe, and then starting the ore pulp delivery pump; when the ore pulp delivery pump needs to be closed, the ore pulp delivery pump is closed first, and then the electric flow switches of the water seal water pipe and the cooling water pipe are closed.
The following description of the method for automatically controlling the conventional thickener in the tailing workshop by using the automatic control system of the conventional thickener in the tailing workshop, which is disclosed by the invention, specifically comprises the following steps:
step 1: setting a threshold value: the upper computer presets a minimum ore deposit mass threshold value and a maximum ore deposit mass threshold value of a traditional thickener, a rotating speed threshold value, a temperature threshold value and a vibration frequency threshold value of a motor of an ore pulp delivery pump, a maximum liquid level threshold value and a minimum liquid level threshold value of a sewage pool and a flow threshold value of an electromagnetic flowmeter;
step 2: the method comprises the following steps of (1) collecting quality data of ore deposits and starting a common ore pulp conveying line: the programmable controller respectively collects the first ore deposit quality data and the second ore deposit quality data of the first traditional thickener 1-1 and the second traditional thickener 1-2 through the first ore deposit quality detector 13-1 and the second ore deposit quality detector 13-2, and transmits the deposit quality data to an upper computer, the upper computer controls the first traditional thickener 1-1, the first electric valve 6-1, the first ore pulp delivery pump 2-1 and the second electric valve 6-2 to be opened through a programmable controller when the first deposit quality exceeds the highest deposit quality threshold, when the mass of the second ore deposit exceeds the maximum ore deposit mass threshold value, the programmable controller controls the opening of a second traditional thickener 1-2, a fifth electric valve 6-5, a third ore pulp delivery pump 2-3 and a sixth electric valve 6-6;
and step 3: collecting system operation data: the programmable controller collects system operation data, and comprises: respectively acquiring a first rotating speed, a first temperature and a first vibration frequency of a motor of a first ore pulp conveying pump 2-1 through a first rotating speed sensor 9-1 and a first temperature vibration sensor 8-1, respectively acquiring a second rotating speed, a second temperature and a second vibration frequency of a motor of a third ore pulp conveying pump 2-3 through a third rotating speed sensor 9-3 and a third temperature vibration sensor 8-3, respectively acquiring a first liquid level and a second liquid level of a first sewage tank 12-1 and a second sewage tank 12-2 through a first radar liquid level meter 7-1 and a second radar liquid level meter 7-2, respectively acquiring a first flow and a second flow of a first connecting pipeline 4-1 and a third connecting pipeline 4-3 through a first electromagnetic flowmeter 5-1 and a third electromagnetic flowmeter 5-3, transmitting the collected system operation data to an upper computer;
and 4, step 4: the host computer carries out traditional thickener automatic control according to received system operation data and predetermined threshold value, includes: the upper computer controls the first traditional thickener 1-1, the first electric valve 6-1, the first ore pulp delivery pump 2-1 and the second electric valve 6-2 to be closed through the programmable controller when the first ore deposit quality is lower than the lowest ore deposit quality threshold value, controls the second traditional thickener 1-2, the fifth electric valve 6-5, the third ore pulp delivery pump 2-3 and the sixth electric valve 6-6 to be closed through the programmable controller when the second ore deposit quality is lower than the lowest ore deposit quality threshold value, returns to the step 2, and the cycle is repeated.
The invention sets different alarm conditions and alarm positions in the control program of the PLC and pops up a corresponding prompt dialog box on the upper computer.
In the embodiment, when the first rotating speed is lower than a rotating speed threshold value, or the first temperature is higher than a temperature threshold value, or the first vibration frequency is higher than a vibration frequency threshold value, or the first flow is lower than a flow threshold value, the upper computer controls the audible and visual alarm to perform audible and visual alarm, controls the first electric valve 6-1, the first ore pulp conveying pump 2-1 and the second electric valve 6-2 to be closed through the programmable controller, and controls the standby third electric valve 6-3, the standby second ore pulp conveying pump 2-2 and the standby fourth electric valve 6-4 to be opened; when the second rotating speed is lower than the rotating speed threshold value, or the second temperature is higher than the temperature threshold value, or the second vibration frequency is higher than the vibration frequency threshold value, or the second flow is lower than the flow threshold value, the upper computer controls the audible and visual alarm to perform audible and visual alarm, controls the fifth electric valve 6-5, the third ore pulp conveying pump 2-3 and the sixth electric valve 6-6 to be closed through the programmable controller, and controls the standby seventh electric valve 6-7, the fourth ore pulp conveying pump 2-4 and the eighth electric valve 6-8 to be opened. The post personnel look over the condition and handle the trouble to the traditional thickener underflow that corresponds, avoid the ore pulp delivery pump to block up or motor operation that connecting screw fracture appears, the ore pulp delivery pump does not operate and leads to traditional thickener underflow concentration to last the rising to cause the emergence of production accident, also avoid ore pulp conveying equipment because the temperature is high or the vibration leads to trouble such as equipment damage or electric circuit tripping operation greatly, guarantee the normal clear of ore pulp transport operation.
In the embodiment, when the first liquid level is higher than the highest liquid level threshold value, the upper computer controls the first sewage pump 3-1 to be started; when the second liquid level is higher than the highest liquid level threshold value, the upper computer controls the second sewage pump 3-2 to be started; when the time that the first liquid level or the second liquid level is higher than the highest liquid level threshold value exceeds a set time threshold value, the upper computer controls the audible and visual alarm to give an audible and visual alarm, and post personnel timely arrive at the underground pump station to check the situation and process faults.
When the first liquid level is lower than the lowest liquid level threshold value, the upper computer controls the first sewage pump 3-1 to be closed; and when the second liquid level is lower than the lowest liquid level threshold value, the upper computer controls the second sewage pump 3-2 to be closed. The radar liquid level meter carries out filtering and false echo suppression, and avoids the liquid level false value and dead value from influencing the measuring result.
In this embodiment, when personnel got into the underflow gate, human infrared induction alarm carries out voice alarm and reminds, and send signal for the host computer, the host computer shows warning information on, plays the warning function to post personnel, and post personnel can pass through the personnel that the monitoring of video monitoring system got into the scene.
When equipment maintenance or remote centralized control equipment such as a PLC (programmable logic controller) breaks down, an operator can still manually start the ore pulp delivery pump 2 through the field electric control box.
The invention realizes the automatic regulation and control of overflow pulp and underflow pulp of the traditional thickener by arranging the upper computer, the programmable controller, the ore deposit quality detector inside the thickener, the electric valve on the common pulp conveying line and the standby pulp conveying line, the pulp conveying pump, the electromagnetic flowmeter, the temperature vibration sensor, the rotating speed sensor, the radar liquid level meter in the sewage tank and the sewage pump on the sewage conveying pipeline to carry out interlocking control, thereby improving the automation level of the production system, reducing the labor intensity of workers, simultaneously improving the stability and the operation efficiency of the equipment operation and keeping the production in the optimal state. Specifically, the operation state of the ore pulp delivery pump is automatically judged according to the rotating speed, the temperature and the vibration frequency data of the ore pulp delivery pump and the flow data of an ore pulp delivery line, an alarm signal is sent out when a fault occurs, a common ore pulp delivery line is automatically closed, a standby ore pulp delivery line is started, and the influence of the fault of the ore pulp delivery line on normal production is reduced; according to the liquid level data of the sewage pool, the opening and closing of the sewage pump are controlled, the automation of sewage extraction is realized, and the sound-light alarm that the liquid level is continuously higher than the highest liquid level threshold value is realized.
In another embodiment of the invention, the mobile terminal is used for replacing the upper computer to carry out threshold setting, ore deposit quality data acquisition, opening of a common ore pulp conveying line, system operation data acquisition and automatic control of a traditional thickener. The mobile terminal is arranged, so that the automatic control and the movement of the traditional thickener are convenient and quick.
It is to be understood that the above-described embodiments are only a few embodiments of the present invention, and not all embodiments. The above examples are only for explaining the present invention and do not constitute a limitation to the scope of protection of the present invention. All other embodiments, which can be derived by those skilled in the art from the above-described embodiments without any creative effort, namely all modifications, equivalents, improvements and the like made within the spirit and principle of the present application, fall within the protection scope of the present invention claimed.

Claims (8)

1. An automatic control system of a traditional thickener in a tailing workshop is characterized by comprising an upper computer, a programmable controller, a first traditional thickener (1-1), a second traditional thickener (1-2), a first sewage tank (12-1), a second sewage tank (12-2), a slurry tank and a water return tank; the feed inlet of the first traditional thickener (1-1) is communicated with the overflow port of the high-efficiency thickener, the overflow port of the first traditional thickener (1-1) is communicated with the feed inlet of the second traditional thickener (1-2), and the overflow port of the second traditional thickener (1-2) is communicated with the feed inlet of the water return pool; the first traditional thickener (1-1) and the second traditional thickener (1-2) are respectively provided with a first ore deposit quality detector (13-1) and a second ore deposit quality detector (13-2) at the bottoms;
the underflow opening of the first traditional thickener (1-1) is communicated with the head ends of a first connecting pipeline (4-1) and a second connecting pipeline (4-2), the tail ends of the first connecting pipeline (4-1) and the second connecting pipeline (4-2) are communicated with the head end of a first ore pulp conveying pipeline (10-1), and the tail end of the first ore pulp conveying pipeline (10-1) is communicated with the feed inlet of the ore pulp pond; the ore pulp conveying device is characterized in that a first electric valve (6-1), a first ore pulp conveying pump (2-1), a second electric valve (6-2) and a first electromagnetic flow meter (5-1) are sequentially arranged on the first connecting pipeline (4-1) from the head end to the tail end, a third electric valve (6-3), a second ore pulp conveying pump (2-2), a fourth electric valve (6-4) and a second electromagnetic flow meter (5-2) are sequentially arranged on the second connecting pipeline (4-2) from the head end to the tail end, a first temperature vibration sensor (8-1) and a first speed rotation sensor (9-1) are arranged at an axial extension end of a driving motor of the first ore pulp conveying pump (2-1), and a second temperature vibration sensor (8-2) and a second electromagnetic flow meter (5-2) are arranged at an axial extension end of the driving motor of the second ore pulp conveying pump (2-2), A second rotational speed sensor (9-2); the ore discharge port of the first traditional thickener (1-1) is communicated with the feed inlet of the first sewage tank (12-1), the feed inlet of the first sewage tank (12-1) is communicated with the head end of a first sewage conveying pipeline (11-1), a first sewage pump (3-1) is arranged on the first sewage conveying pipeline (11-1), and a first radar liquid level meter (7-1) is arranged above the first sewage tank (12-1);
the underflow opening of the second traditional thickener (1-2) is communicated with the head ends of a third connecting pipeline (4-3) and a fourth connecting pipeline (4-4), the tail ends of the third connecting pipeline (4-3) and the fourth connecting pipeline (4-4) are communicated with the head end of the second ore pulp conveying pipeline (10-2), and the tail end of the second ore pulp conveying pipeline (10-2) is communicated with the feed inlet of the ore pulp pond; the third connecting pipeline (4-3) is sequentially provided with a fifth electric valve (6-5), a third ore pulp conveying pump (2-3), a sixth electric valve (6-6) and a third electromagnetic flow meter (5-3) from the head end to the tail end, the fourth connecting pipeline (4-4) is sequentially provided with a seventh electric valve (6-7), a fourth ore pulp conveying pump (2-4), an eighth electric valve (6-8) and a fourth electromagnetic flow meter (5-4) from the head end to the tail end, a driving motor of the third ore pulp conveying pump (2-3) is provided with a third temperature vibration sensor (8-3) and a third rotation speed sensor (9-3) at an axial extension end, and a driving motor of the fourth ore pulp conveying pump (2-4) is provided with a fourth temperature vibration sensor (8-4) and a fourth electromagnetic flow meter (5-4) at the axial extension end, A fourth rotation speed sensor (9-4); the ore discharge port of the second traditional thickener (1-2) is communicated with the feed inlet of the second sewage tank (12-2), the feed inlet of the second sewage tank (12-2) is communicated with the head end of a second sewage conveying pipeline (11-2), a second sewage pump (3-2) is arranged on the second sewage conveying pipeline (11-2), and a second radar liquid level meter (7-2) is arranged above the second sewage tank (12-2);
the output of every deposit quality detector, temperature vibration sensor, speed sensor, electromagnetic flowmeter, radar level gauge all with programmable controller's input electricity is connected, programmable controller's output and every electric valve, the driving motor of every ore pulp delivery pump, the driving motor's of every sewage pump input electricity are connected, programmable controller with the host computer passes through fiber connection.
2. The automatic control system for the conventional thickener in the tailing plant according to claim 1, wherein the programmable controller is connected with a mobile terminal through a wireless network, the upper computer is electrically connected with an audible and visual alarm, and the audible and visual alarm is connected with the mobile terminal through a wireless network; the first traditional thickener (1-1) and the second traditional thickener (1-2) are both provided with human body infrared induction alarms at underflow gates, and the human body infrared induction alarms are respectively connected with the mobile terminal through a wireless network and the upper computer through optical fibers.
3. The automatic control system for the traditional thickener in the tailing workshop according to claim 1, further comprising a video monitoring system, wherein the video monitoring system comprises a video monitor arranged in a main control room, at least four video ball machines arranged at different monitoring points on the site of a pump station and a disk array, and the video ball machines, the disk array and the video monitor are sequentially connected through optical fibers.
4. A method for automatically controlling a conventional thickener in a tailings pond using the automatic control system for a conventional thickener in a tailings pond of claim 2, comprising the steps of:
step 1: setting a threshold value: the upper computer presets a minimum ore deposit mass threshold value and a maximum ore deposit mass threshold value of a traditional thickener, a rotating speed threshold value, a temperature threshold value and a vibration frequency threshold value of a motor of an ore pulp delivery pump, a maximum liquid level threshold value and a minimum liquid level threshold value of a sewage pool and a flow threshold value of an electromagnetic flowmeter;
step 2: the method comprises the following steps of (1) collecting quality data of ore deposits and starting a common ore pulp conveying line: the programmable controller respectively collects first ore deposit quality data and second ore deposit quality data of a first traditional thickener (1-1) and a second traditional thickener (1-2) through a first ore deposit quality detector (13-1) and a second ore deposit quality detector (13-2), and transmits the ore deposit quality data to the upper computer, the upper computer controls the first traditional thickener (1-1), a first electric valve (6-1), a first ore pulp delivery pump (2-1) and a second electric valve (6-2) to be opened through the programmable controller when the first ore deposit quality exceeds a highest ore deposit quality threshold value, and controls the second traditional thickener (1-2), a fifth electric valve (6-5), a third ore pulp delivery pump (2-3) through the programmable controller when the second ore deposit quality exceeds the highest ore deposit quality threshold value, The sixth electric valve (6-6) is opened;
and step 3: collecting system operation data: the programmable controller collects system operation data, and comprises: respectively acquiring a first rotating speed, a first temperature and a first vibration frequency of a motor of a first ore pulp conveying pump (2-1) through a first rotating speed sensor (9-1) and a first temperature vibration sensor (8-1), respectively acquiring a second rotating speed, a second temperature and a second vibration frequency of a motor of a third ore pulp conveying pump (2-3) through a third rotating speed sensor (9-3) and a third temperature vibration sensor (8-3), respectively acquiring a first liquid level and a second liquid level of a first sewage tank (12-1) and a second sewage tank (12-2) through a first radar liquid level meter (7-1) and a second radar liquid level meter (7-2), respectively acquiring a first connecting pipeline (4-1) and a second connecting pipeline (4-1) through a first electromagnetic flow meter (5-1) and a third electromagnetic flow meter (5-3), respectively, The first flow and the second flow of the third connecting pipeline (4-3) transmit the collected system operation data to the upper computer;
and 4, step 4: the host computer carries out traditional thickener automatic control according to received system operation data and predetermined threshold value, includes: the upper computer controls the first traditional thickener (1-1), the first electric valve (6-1), the first ore pulp delivery pump (2-1) and the second electric valve (6-2) to be closed through the programmable controller when the first ore deposit quality is lower than the lowest ore deposit quality threshold value, controls the second traditional thickener (1-2), the fifth electric valve (6-5), the third ore pulp delivery pump (2-3) and the sixth electric valve (6-6) to be closed through the programmable controller when the second ore deposit quality is lower than the lowest ore deposit quality threshold value, and returns to the step 2, and the cycle is repeated.
5. The automatic control method of the conventional thickener in the tailings plant of claim 4, wherein the step 4 further comprises: when the first rotating speed is lower than a rotating speed threshold value or the first temperature is higher than a temperature threshold value or the first vibration frequency is higher than a vibration frequency threshold value or the first flow is lower than a flow threshold value, the upper computer controls the audible and visual alarm to perform audible and visual alarm and controls the first electric valve (6-1), the first ore pulp conveying pump (2-1) and the second electric valve (6-2) to be closed through the programmable controller, and controls the standby third electric valve (6-3), the standby second ore pulp conveying pump (2-2) and the standby fourth electric valve (6-4) to be opened; when the second rotating speed is lower than the rotating speed threshold value, or the second temperature is higher than the temperature threshold value, or the second vibration frequency is higher than the vibration frequency threshold value, or the second flow is lower than the flow threshold value, the upper computer controls the audible and visual alarm to perform audible and visual alarm, controls the fifth electric valve (6-5), the third ore pulp conveying pump (2-3) and the sixth electric valve (6-6) to be closed through the programmable controller, and controls the standby seventh electric valve (6-7), the fourth ore pulp conveying pump (2-4) and the eighth electric valve (6-8) to be opened.
6. The automatic control method of the conventional thickener in the tailings plant of claim 4, wherein the step 4 further comprises:
when the first liquid level is higher than the highest liquid level threshold value, the upper computer controls a first sewage pump (3-1) to be started; when the second liquid level is higher than the highest liquid level threshold value, the upper computer controls the second sewage pump (3-2) to be started; when the time that the first liquid level or the second liquid level is higher than the highest liquid level threshold exceeds a set time threshold, the upper computer controls the audible and visual alarm to give an audible and visual alarm;
when the first liquid level is lower than the lowest liquid level threshold value, the upper computer controls the first sewage pump (3-1) to be closed; and when the second liquid level is lower than the lowest liquid level threshold value, the upper computer controls the second sewage pump (3-2) to be closed.
7. The automatic control method of the conventional thickener in the tailings plant of claim 4, wherein the step 4 further comprises: when a person enters the underflow door, the human body infrared sensing alarm carries out voice alarm reminding and sends a signal to the upper computer, and alarm reminding information is displayed on the upper computer.
8. The automatic control method for the conventional thickener in the tailing workshop according to any one of claims 4 to 7, wherein the mobile terminal is used for replacing the upper computer to perform threshold setting, ore deposit quality data acquisition and common ore pulp conveying line opening, system operation data acquisition and automatic control for the conventional thickener.
CN202111509399.2A 2021-12-10 2021-12-10 Automatic control system and method for traditional thickener in tailing workshop Pending CN114225482A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203822595U (en) * 2013-10-31 2014-09-10 飞翼股份有限公司 Underflow pump control apparatus and thickener
CN203894646U (en) * 2014-06-19 2014-10-22 北京科技大学 Intelligent control device for deep-cone thickener underflow density
CN107837575A (en) * 2017-12-14 2018-03-27 刘钦东 Full-automatic solid-liquid settling separation system
CN207929401U (en) * 2018-01-31 2018-10-02 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 A kind of zinc tail stirring means for feeding acid
CN109356835A (en) * 2018-10-30 2019-02-19 金川集团股份有限公司 A kind of underground pump station tele-control system
CN109382200A (en) * 2018-09-14 2019-02-26 金川集团股份有限公司 A kind of Tailings transportation device and its delivery method
CN209460628U (en) * 2019-02-12 2019-10-01 本钢板材股份有限公司 A kind of dense machine monitoring, control, prior-warning device
CN211245652U (en) * 2019-09-19 2020-08-14 本钢板材股份有限公司 Automatic control device of thickener
CN112856236A (en) * 2021-01-06 2021-05-28 代县久力新型球团厂(普通合伙) Automatic conveying device and method for long-distance ore pulp pipeline
CN217724695U (en) * 2021-12-10 2022-11-04 金川集团股份有限公司 Automatic control system of traditional thickener in tailing workshop

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203822595U (en) * 2013-10-31 2014-09-10 飞翼股份有限公司 Underflow pump control apparatus and thickener
CN203894646U (en) * 2014-06-19 2014-10-22 北京科技大学 Intelligent control device for deep-cone thickener underflow density
CN107837575A (en) * 2017-12-14 2018-03-27 刘钦东 Full-automatic solid-liquid settling separation system
CN207929401U (en) * 2018-01-31 2018-10-02 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 A kind of zinc tail stirring means for feeding acid
CN109382200A (en) * 2018-09-14 2019-02-26 金川集团股份有限公司 A kind of Tailings transportation device and its delivery method
CN109356835A (en) * 2018-10-30 2019-02-19 金川集团股份有限公司 A kind of underground pump station tele-control system
CN209460628U (en) * 2019-02-12 2019-10-01 本钢板材股份有限公司 A kind of dense machine monitoring, control, prior-warning device
CN211245652U (en) * 2019-09-19 2020-08-14 本钢板材股份有限公司 Automatic control device of thickener
CN112856236A (en) * 2021-01-06 2021-05-28 代县久力新型球团厂(普通合伙) Automatic conveying device and method for long-distance ore pulp pipeline
CN217724695U (en) * 2021-12-10 2022-11-04 金川集团股份有限公司 Automatic control system of traditional thickener in tailing workshop

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