CN113042220B - Flotation run control system and flotation run control method - Google Patents
Flotation run control system and flotation run control method Download PDFInfo
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- CN113042220B CN113042220B CN202110373519.4A CN202110373519A CN113042220B CN 113042220 B CN113042220 B CN 113042220B CN 202110373519 A CN202110373519 A CN 202110373519A CN 113042220 B CN113042220 B CN 113042220B
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- 238000005188 flotation Methods 0.000 title claims abstract description 284
- 238000000034 method Methods 0.000 title claims abstract description 52
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- 238000012545 processing Methods 0.000 claims description 22
- 238000010191 image analysis Methods 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000012141 concentrate Substances 0.000 abstract description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 5
- 239000011707 mineral Substances 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 238000007790 scraping Methods 0.000 description 4
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- 239000008396 flotation agent Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000008092 positive effect Effects 0.000 description 1
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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
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Abstract
The utility model provides a flotation race groove control system and a flotation race groove control method, the flotation race groove control system comprises: the image acquisition device is used for acquiring flotation froth images in the flotation machine and the flotation machine ore receiving tank in real time; the event analysis device is connected with the image acquisition device and is used for analyzing the flotation froth image so as to obtain a running groove accident analysis result; the early warning device is connected with the event analysis device and used for outputting an early warning signal when the groove running accident analysis result indicates that the groove running accident exists; and the accident handling device is connected with the early warning device and used for responding to the early warning signal and calling a target control unit to execute target operation on the flotation machine so as to handle the groove running accident. The method ensures the timeliness of accident treatment and the safety of production on one hand, avoids the disordered production operation or the loss of flotation concentrate on the other hand, improves the accident treatment efficiency and the recovery rate of target minerals, and further ensures the economic benefit of a plant.
Description
Technical Field
The disclosure relates to the technical field of flotation, in particular to a flotation runner control system and a method for controlling a flotation runner by adopting the same.
Background
The flotation beneficiation method is an important beneficiation method, and at present, before and after a flotation run-out accident occurs, the general operation process of a flotation technician is as follows: (1) a flotation technician makes regular or irregular rounds; (2) finding out flotation running accidents in the inspection process; (3) and (5) treating the flotation run tank accident according to an accident treatment plan. However, there is a time interval between two consecutive tours of the flotation technician during which a flotation run out accident is most likely to occur. If a flotation technician cannot timely handle the flotation leakage after a flotation leakage accident occurs, the production operation is disordered or the flotation concentrate is lost, the recovery rate of target minerals is reduced, and therefore the economic benefit of a separation plant is affected.
In view of this, the present disclosure provides a flotation run tank control system and a method for performing flotation run tank control by using the same, so as to perform run tank monitoring, early warning and processing in a flotation process.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide a flotation runs groove control system and adopts this flotation to run groove control system and carry out the method that the flotation ran the groove control, and then can in time discover at least to a certain extent and run the groove accident to remind relevant technical staff or start relevant processing unit and handle, avoid causing and generate operation confusion or flotation concentrate loss, improved the rate of recovery of purpose mineral, and then ensured the economic benefits who selects the factory.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.
According to a first aspect of the present disclosure there is provided a flotation run tank control system comprising:
the image acquisition device is used for acquiring flotation froth images of the flotation machine and the flotation machine ore receiving tank in real time;
the event analysis device is connected with the image acquisition device and used for analyzing the flotation froth image so as to obtain a running groove accident analysis result;
the early warning device is connected with the event analysis device and is used for outputting an early warning signal when the groove running accident analysis result indicates that the groove running accident exists;
and the accident handling device is connected with the early warning device and used for responding to the early warning signal and calling a target control unit to execute target operation on the flotation machine so as to handle the groove running accident.
In an exemplary embodiment of the present disclosure, the flotation run tank control system further comprises:
and the monitoring device is connected with the image acquisition device and the event analysis device and is used for displaying the flotation froth image on a display screen so as to be conveniently watched by monitoring personnel.
In an exemplary embodiment of the disclosure, the event analysis device is configured to obtain the run-out accident analysis result according to whether a scraper of the flotation machine and an edge of the ore receiving tank of the flotation machine are in contact in the flotation froth image and whether ore pulp flows out.
In an exemplary embodiment of the present disclosure, the event analysis apparatus includes a preset runner status database including a flotation froth image when a runner accident occurs, and a real-time runner status database including a flotation froth image acquired in real time from the image acquisition apparatus.
In an exemplary embodiment of the present disclosure, the event analysis device includes:
and the image processing unit is used for carrying out image analysis and comparison according to the flotation froth image in the real-time runner groove state database and the flotation froth image when the runner groove accident occurs in the preset runner groove state database so as to obtain the runner groove accident analysis result.
In an exemplary embodiment of the present disclosure, the accident handling apparatus includes a field control unit, a remote control unit and an automatic control unit, wherein the field control unit is configured to handle the run groove accident in a manual control manner according to an accident handling plan, the remote control unit is configured to handle the run groove accident in a remote control manner according to the accident handling plan, and the automatic control unit is configured to handle the run groove accident in an automatic control manner according to the accident handling plan.
In an exemplary embodiment of the present disclosure, the flotation run tank control system further comprises:
and the event storage device is connected with the image acquisition device and the event analysis device and is used for storing data related to the running groove accident.
In an exemplary embodiment of the present disclosure, the event storage device is further connected with a monitoring device, the early warning device and the accident handling device.
According to a second aspect of the present disclosure, there is provided a flotation runner control method using the above flotation runner control system, wherein:
acquiring flotation froth images in the flotation machine and the flotation machine ore receiving tank in real time through the image acquisition device;
analyzing the flotation froth image through an event analysis device to obtain a running groove accident analysis result;
when the groove running accident analysis result indicates that the groove running accident exists, outputting an early warning signal by the early warning device;
and responding to the early warning signal, and calling a target control unit through the accident handling device to perform target operation on the flotation machine so as to handle the groove running accident.
In an exemplary embodiment of the present disclosure, the analyzing the flotation froth image by an event analysis device to obtain a running groove accident analysis result includes:
judging whether a scraper of the flotation machine is in contact with the edge of an ore receiving groove of the flotation machine or not and whether ore pulp flows out or not according to the flotation froth image, and obtaining an analysis result of the groove running accident according to a judgment result; or
And carrying out image analysis and comparison according to the flotation froth image in the real-time runner groove state database in the event analysis device and the flotation froth image when a runner groove accident occurs in the preset runner groove state database so as to obtain the runner groove accident analysis result.
In an exemplary embodiment of the present disclosure, the accident management apparatus includes an on-site control unit, a remote control unit, and an automatic control unit;
the calling of a target control unit by the accident handling device to perform a target operation on the flotation machine comprises:
calling the automatic control unit to process the running groove accident in an automatic control mode according to an accident processing plan;
when the automatic control unit fails to process, the field control unit is called to process the running groove accident in a manual control mode according to the accident processing plan;
and when the field control unit fails to process, calling the remote control unit to process the running groove accident in a remote control mode according to the accident processing plan.
According to the technical scheme, the flotation running groove control system and the flotation running groove control method in the exemplary embodiment of the disclosure have at least the following advantages and positive effects:
the method comprises the steps that flotation froth images in a flotation machine and a flotation machine ore receiving tank collected by an image collecting device are analyzed through an event analyzing device to obtain a tank running accident analyzing result; when the groove running accident analysis result indicates that the groove running accident exists, triggering an early warning device to output an early warning signal; and after responding to the early warning signal, the accident handling device calls the target control unit to execute target operation on the flotation machine so as to handle the groove running accident. The flotation running groove control system and the flotation running groove control method can monitor the flotation running groove in real time and automatically analyze whether a running groove accident exists, so that the situation that the running groove accident occurs at a time interval of manual inspection without being processed by people is prevented, and the timeliness of accident processing and the safety of production are guaranteed; on the other hand can in time early warning and handle through accident processing apparatus when judging that there is the race accident, avoids causing the chaotic of production operation or flotation concentrate loss, has improved accident treatment effeciency and the rate of recovery of target mineral, and then has ensured the economic benefits of selecting the factory.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Figure 1 shows a schematic of the structure of a flotation run tank control system in an exemplary embodiment of the disclosure;
FIG. 2 shows a schematic structural diagram of an incident handling device in an exemplary embodiment of the present disclosure;
FIG. 3 shows a schematic structural diagram of a flotation runner control system in an exemplary embodiment of the present disclosure;
fig. 4 shows a flow diagram of a flotation run tank control method in an exemplary embodiment of the disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
The terms "a," "an," "the," and "said" are used in this specification to denote the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first" and "second", etc. are used merely as labels, and are not limiting on the number of their objects.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
In the related art in the field, the solutions for treating the flotation run-out accidents are passive treatment solutions, that is, flotation technicians are required to patrol and find the run-out accidents, and the treatment is carried out according to the accident treatment solutions, even though the improvements made on the flotation cell ore receiving grooves in the related art are provided, the flotation technicians are still required to patrol and find the run-out accidents. Therefore, the related art in the field still has the problem that the running groove accident cannot be monitored in real time and can be processed in time.
The flotation run tank control system is first provided in the present exemplary embodiment, and the structure of the flotation run tank control system of the present disclosure will now be exemplified with reference to fig. 1.
Fig. 1 shows a schematic structural diagram of a flotation run tank control system, and as shown in fig. 1, the flotation run tank control system 100 includes an image acquisition device 101, an event analysis device 102, an early warning device 103, and an accident handling device 104, wherein an output end of the image acquisition device 101 is connected with an input end of the event analysis device 102, an output end of the event analysis device 102 is connected with an input end of the early warning device 103, and an output end of the early warning device 103 is connected with an input end of the accident handling device 104.
In the embodiment of the present disclosure, the image collecting device 101 may be disposed above the flotation machine and the flotation machine ore receiving tank, for example, the top of a factory building directly facing the flotation machine may be provided, or other positions may be provided, as long as images inside the flotation machine and the flotation machine ore receiving tank can be captured, the image collecting device 101 is configured to obtain flotation froth images in the flotation machine and the flotation machine ore receiving tank in real time, and also obtain continuous flotation froth images in real time, that is, flotation froth videos. After the image acquisition device 101 acquires the flotation froth image or the flotation froth video in real time, the flotation froth image or the flotation froth video may be synchronized to the event analysis device 102 for image analysis.
The event analysis device 102 may be a terminal device connected to the image acquisition device 101 by a wired or wireless link, the terminal device may be a desktop computer, a notebook, a laptop, a smartphone, or the like, or may be a server connected to the terminal device, and the event analysis device 102 may analyze the flotation froth image or the flotation froth video acquired by the image acquisition device 101 to obtain a running accident analysis result. Since the flotation froth video may be viewed as being composed of a series of consecutive flotation froth images, the event analysis device 102 is essentially a run-out accident analysis performed on the flotation froth images.
The event analysis device 102 may be implemented in various ways when analyzing the flotation froth image or the flotation froth video to obtain the groove accident analysis result, and the analysis method adopted in the present disclosure will be described next.
After obtaining a flotation froth image or a flotation froth video, judging the contact condition of a scraper of a flotation machine and the edge of an ore receiving groove of the flotation machine and the condition of whether ore pulp flows out according to the flotation froth image or the flotation froth video in a continuous time period to determine whether an ore pulp leakage accident exists, and specifically, if the fact that ore pulp flows out when the scraper of the flotation machine runs to the edge of the ore receiving groove of the flotation machine and is in contact with the edge of the ore receiving groove of the flotation machine is found from the flotation froth image or the flotation froth video, but when the scraper of the flotation machine is far away from the edge of the ore receiving groove of the flotation machine and is not in contact with the edge of the ore receiving groove of the flotation machine, determining that the analysis result of the ore pulp leakage accident is the existence of the ore pulp leakage accident; when the scraper of the flotation machine runs to the edge of the ore receiving groove of the flotation machine and is in contact with the edge of the ore receiving groove of the flotation machine, pulp flows out, but when the scraper of the flotation machine is far away from the edge of the ore receiving groove of the flotation machine and is not in contact with the edge of the ore receiving groove of the flotation machine, no pulp flows out, and then the groove running accident analysis result can be determined to be that no groove running accident exists.
Wherein, when judging that the scraper blade of flotation cell is kept away from the edge that the flotation cell received the ore deposit groove, whether the flotation cell received the ore deposit groove and had the condition that ore pulp flowed out, can judge through the mode of connecing the edge installation flowmeter or pressure sensor of ore deposit groove at the flotation cell, when flowmeter or pressure sensor's count did not change, then judge that still there is the condition that ore pulp flowed out, also namely there is the groove accident that runs, when flowmeter or pressure sensor's count becomes zero, then judge that there is not the condition that ore pulp flowed out, also do not have the groove accident that runs. It should be noted that, in actual production, the count of the flow meter or the pressure sensor does not suddenly change instantaneously, that is, it is impossible to drop to zero at the moment when the scraper leaves, so a preset value range may be set in the determination, when the difference value of the count of the flow meter or the pressure sensor when the scraper contacts and separates from the edge is within the preset value range, it is determined that a groove running accident exists, and if the difference value is greater than the preset value range, it is determined that the groove running accident does not exist, and the preset value range may be determined according to actual needs, which is not specifically limited in the embodiment of the present disclosure.
The position of the scraper can be determined by arranging a sensor at the position of a scraper transmission shaft for position detection, and by carrying out image analysis on a flotation froth image or a flotation froth video, the position of the scraper can be determined through the image analysis, and specifically, the scraper in the flotation froth image or the flotation froth video can be identified through a trained image analysis model, and the specific position of the scraper can be determined.
In addition, the event analysis device 102 may further include a plurality of databases, specifically, a preset runner-shaped state database and a real-time runner-shaped state database, where the preset runner-shaped state database stores the flotation froth images corresponding to the historical runner accidents, and the real-time runner-shaped state database stores the flotation froth images obtained in real time from the image acquisition device 101. It is worth mentioning that the flotation froth images corresponding to the historical groove running accidents include the flotation froth images of the groove running accidents in the flotation process preset in the expert system and the flotation froth images of the groove running accidents stored in an event memory.
In analyzing the flotation froth image, image analysis and comparison may be performed by an image analysis unit in the event analysis device 102 according to the flotation froth image in the real-time runner trough state database and the flotation froth image corresponding to the historical runner accident in the preset runner trough state database to obtain a runner accident analysis result. Specifically, image recognition can be carried out on the flotation froth image in the real-time runner groove state database, the position relation of the edge of the scraping plate and the flotation machine ore receiving groove in the image and the outflow condition of ore pulp are judged, then the position relation of the edge of the obtained scraping plate and the flotation machine ore receiving groove and the position relation of the edge of the flotation froth image corresponding to the outflow condition of the ore pulp and the historical runner groove accident and the position relation of the edge of the flotation machine ore receiving groove are compared, the runner groove accident is judged to exist if the two runner groove accidents are matched, and the runner groove accident does not exist if the two runner groove accidents are not matched. Of course, other methods may be used to analyze the race accident, and the present disclosure is not described herein.
The early warning device 103 is used for outputting an early warning signal to the accident handling device 104 when the groove running accident analysis result shows that the groove running accident exists, so that the accident handling device 104 responds to the early warning signal and invokes the target control unit flotation machine to execute target operation to handle the groove running accident.
In the embodiment of the present disclosure, there may be a plurality of target control units that can be invoked by the accident handling apparatus 104, fig. 2 shows a schematic structural diagram of the accident handling apparatus 104, and as shown in fig. 2, the accident handling apparatus 104 includes a field control unit 201, a remote control unit 202, and an automatic control unit 203, each of the control units can handle a groove running accident according to an accident handling plan, but the specific implementation manner is different, specifically, the field control unit 201 is configured to handle the groove running accident in a manual control manner according to the accident handling plan, that is, handle the accident in a flotation workshop by a flotation technician; the remote control unit 202 is used for processing the running accident in a remote control mode according to an accident processing plan, namely, performing remote accident processing through a remote control device connected with the flotation machine in a wired or wireless communication mode; the automatic control unit 203 is used for processing the groove running accident in an automatic control mode according to an accident processing plan, namely, a computer automatically controls the flotation machine to process the groove running accident.
In the embodiment of the disclosure, when the target control unit is called, the automatic control unit 203 is preferably called, the control device of the flotation machine is automatically controlled by a computer according to an accident handling plan, and the flotation agent system parameters are adjusted by the control device to handle the groove running accident, specifically, the increase or decrease of the addition amount of the flotation agent is controlled by controlling the flow valve of the dosing machine of the flotation machine, or the increase of the flushing water amount is controlled to handle the groove running accident; when the groove running accident is not processed after the first preset time, the field control unit 201 is called, and a control device of the flotation machine is controlled by a flotation technician in the flotation workshop to process the groove running accident. However, considering that the flotation technician is not in the flotation workshop all the time, after the second preset time after the on-site control unit 201 is called, the control device of the flotation machine is monitored to adjust the flotation reagent system parameters, but if the groove running accident still exists, the remote control unit 202 can be called, and the flotation technician operating the remote control device operates at the remote terminal to control the control device of the flotation machine to adjust the flotation reagent system parameters, so as to further process the groove running accident. The control device of the flotation machine is a control switch for controlling a dosing machine of the flotation machine; the remote terminal may be a desktop computer, laptop, smartphone, tablet, etc. used by the flotation technician; in the embodiment of the present disclosure, in order to improve the efficiency of accident handling, the first preset time is not suitable to be set to a longer time, that is, if the control device of the flotation machine cannot be automatically controlled in a short time to adjust the regime parameters of the flotation reagents and solve the groove running accident, the on-site control unit or the remote control unit needs to be started as soon as possible; the second preset time may be the same as or different from the first preset time, which is not specifically limited in this embodiment of the disclosure.
In the embodiment of the present disclosure, fig. 3 shows a schematic structural diagram of a flotation run tank control system, as shown in fig. 3, the flotation run tank control system 100 further includes a monitoring device 105 and an event storage device 106, an input end of the monitoring device 105 is connected with an output end of the image acquisition device 101, and an output end of the monitoring device 105 is connected with an input end of the event analysis device 102, for displaying the flotation froth image on a display screen for a monitoring person to view, when the monitoring person finds that the flotation froth image is abnormal, an early warning can be manually triggered and a related flotation technician is notified to process, or an automatic control unit in the event processing device is triggered to automatically process an accident, when the automatic control unit does not solve the run tank accident within a first preset time, the flotation run tank control system will sequentially invoke an on-site control unit and a remote control unit to process the run tank accident, until the accident is resolved.
In an embodiment of the present disclosure, an event storage device 106 is connected to the image acquisition device 101 and the event analysis device 102 for storing all data related to the running groove accident so that an engineer can perform data analysis based on the stored data. Further, the event storage device 106 may also be connected to the monitoring device 105, the early warning device 103 and the accident handling device 104, and is configured to receive and store data received and generated by each device.
The embodiment of the present disclosure further provides a flotation run tank control method, which is applied to the flotation run tank control system in the above embodiment, and fig. 4 shows a flow diagram of the flotation run tank control method, as shown in fig. 4, specifically, the method includes:
in step S401, acquiring flotation froth images in a flotation machine and a flotation machine ore receiving tank in real time through an image acquisition device;
in step S402, analyzing the flotation froth image by an event analysis device to obtain a running groove accident analysis result;
in step S403, when the groove accident analysis result indicates that a groove accident exists, outputting an early warning signal by an early warning device;
in step S404, in response to the early warning signal, the target control unit is invoked by the accident handling device to perform a target operation on the flotation machine to handle a slop accident.
Wherein the method of analyzing the flotation froth image by the event analyzer to obtain the analysis result of the run-out accident in step S403 is the same as the method of analyzing the flotation froth image by the event analyzer to obtain the analysis result of the run-out accident in the above-mentioned embodiment, after the flotation froth image or the flotation froth video is obtained, whether the run-out accident exists or not can be determined by judging the contact condition of the scraper of the flotation machine with the edge of the flotation machine receiving tank and the existence of the ore pulp outflow according to the flotation froth images or the flotation froth videos of continuous time periods, specifically, if the ore pulp outflow is found from the flotation froth image or the flotation froth video when the scraper of the flotation machine runs to the edge of the flotation machine receiving tank and contacts with the edge of the flotation machine receiving tank, but the ore pulp outflow is found when the scraper of the flotation machine is far away from the edge of the flotation machine receiving tank and does not contact with the edge of the flotation machine receiving tank, then the running groove accident analysis result can be determined as the existence of the running groove accident; when the scraper of the flotation machine runs to the edge of the ore receiving groove of the flotation machine and is in contact with the edge of the ore receiving groove of the flotation machine, pulp flows out, but when the scraper of the flotation machine is far away from the edge of the ore receiving groove of the flotation machine and is not in contact with the edge of the ore receiving groove of the flotation machine, no pulp flows out, and then the groove running accident analysis result can be determined to be that no groove running accident exists.
Similarly, when the scraper of the flotation machine is far away from the edge of the ore receiving groove of the flotation machine and whether ore pulp flows out from the ore receiving groove of the flotation machine or not is judged, the judgment can be carried out in a mode that a flow meter or a pressure sensor is installed at the edge of the ore receiving groove of the flotation machine, when the counting of the flow meter or the pressure sensor is not changed, the phenomenon that the ore pulp flows out is judged to still exist, namely, the groove running accident exists, and when the counting of the flow meter or the pressure sensor is changed to zero, the phenomenon that the ore pulp flows out is judged to not exist, namely, the groove running accident does not exist. Further, a preset value range may be set, when the difference value of the count of the flowmeter or the pressure sensor when the scraper contacts and separates from the edge is within the preset value range, it is determined that a groove running accident exists, and if the difference value is greater than the preset value range, it is determined that the groove running accident does not exist, and the preset value range may be determined according to actual needs, which is not specifically limited in the embodiment of the present disclosure.
The position of the scraper can be determined by arranging a sensor at the position of a scraper transmission shaft for position detection, and by carrying out image analysis on a flotation froth image or a flotation froth video, the position of the scraper can be determined through the image analysis, and specifically, the scraper in the flotation froth image or the flotation froth video can be identified through a trained image analysis model, and the specific position of the scraper can be determined.
In addition, the event analysis device 102 may further include a plurality of databases, specifically, a preset runner-groove state database and a real-time runner-groove state database, where the preset runner-groove state database stores the flotation froth images corresponding to the historical runner-groove accidents, and the real-time runner-groove state database stores the flotation froth images obtained in real time from the image acquisition device 101. It is worth mentioning that the flotation froth images of historical run-out accidents include the flotation froth images of run-out accidents during the flotation process preset in the expert system and the flotation froth images of run-out accidents stored in a time memory.
In analyzing the flotation froth image, image analysis and comparison may be performed by an image analysis unit in the event analysis device 102 according to the flotation froth image in the real-time runner trough state database and the flotation froth image corresponding to the historical runner accident in the preset runner trough state database to obtain a runner accident analysis result. Specifically, image recognition can be carried out on the flotation froth image in the real-time runner groove state database, the position relation of the edge of the scraping plate and the flotation machine ore receiving groove in the image and the outflow condition of ore pulp are judged, then the position relation of the edge of the obtained scraping plate and the flotation machine ore receiving groove and the position relation of the edge of the flotation froth image corresponding to the outflow condition of the ore pulp and the historical runner groove accident and the position relation of the edge of the flotation machine ore receiving groove are compared, the runner groove accident is judged to exist if the two runner groove accidents are matched, and the runner groove accident does not exist if the two runner groove accidents are not matched. Of course, other methods may be used to analyze the race accident, and the present disclosure is not described herein.
Meanwhile, the structure of the accident handling device and the manner of how to call the target control unit to perform the target operation on the flotation machine are the same as the description of the accident handling device in the above embodiment, when the target control unit is called, the automatic control unit 203 is called preferentially, the control device of the flotation machine is automatically controlled by the computer according to the accident handling plan, and the control device adjusts the system parameters of the flotation reagents to handle the groove running accident, specifically, the flow valve of the dosing machine of the flotation machine is controlled to control the increase or decrease of the addition amount of the flotation reagents or control the increase of the flushing water amount to handle the groove running accident; when the groove running accident is not processed after the first preset time, the field control unit 201 is called, and a flotation technician in the flotation workshop controls a control device of the flotation machine to process the groove running accident. However, considering that the flotation technician is not in the flotation workshop all the time, after the second preset time after the on-site control unit 201 is called, the remote control unit 202 can be called to control the control device of the flotation machine to adjust the flotation reagent system parameters by operating the flotation technician of the remote control device at the remote terminal if the cell running accident still exists, so as to further handle the cell running accident. The control device of the flotation machine is a control switch for controlling a dosing machine of the flotation machine; the remote terminal may be a desktop computer, laptop, smartphone, tablet, etc. used by the flotation technician; the first preset time may be set according to actual needs, for example, set to 5min, 8min, and so on, and in the embodiment of the present disclosure, in order to improve the efficiency of accident handling, the first preset time is not suitable to be set to a longer time, that is, if the flotation machine cannot be automatically turned off in a short time and a chute accident is solved, the on-site control unit or the remote control unit needs to be started as soon as possible; the second preset time may be the same as or different from the first preset time, and this is not specifically limited in this embodiment of the disclosure.
According to the flotation running groove control system and the method for controlling the flotation running groove by adopting the flotation running groove control system, on one hand, the flotation running groove can be monitored in real time, whether a running groove accident exists or not can be automatically analyzed, the situation that the running groove accident occurs at a time interval of manual inspection without being processed by people is prevented, and the timeliness of accident processing and the safety of production are guaranteed; on the other hand can in time early warning and handle through accident processing apparatus when judging that there is the race accident, avoids causing the chaotic of production operation or flotation concentrate loss, has improved accident treatment effeciency and the rate of recovery of target mineral, and then has ensured the economic benefits of selecting the factory.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.
Claims (9)
1. A flotation run control system, comprising:
the image acquisition device is used for acquiring flotation froth images in the flotation machine and the flotation machine ore receiving tank in real time;
the event analysis device is connected with the image acquisition device and is used for analyzing the flotation froth image so as to obtain the contact condition of a scraper of the flotation machine and the edge of the ore receiving groove of the flotation machine and whether ore pulp flows out or not, and obtaining an analysis result of the groove running accident according to the contact condition of the scraper of the flotation machine and the edge of the ore receiving groove of the flotation machine and whether ore pulp flows out or not;
the early warning device is connected with the event analysis device and used for outputting an early warning signal when the groove running accident analysis result indicates that the groove running accident exists;
and the accident processing device is connected with the early warning device and used for responding to the early warning signal and calling the automatic control unit to process the groove running accident, calling the field control unit to process the groove running accident when the groove running accident still exists after the first preset time, and calling the remote control unit to process the groove running accident when the groove running accident still exists after the second preset time.
2. The flotation run control system of claim 1, further comprising:
and the monitoring device is connected with the image acquisition device and the event analysis device and is used for displaying the flotation froth image on a display screen so as to be conveniently watched by monitoring personnel.
3. The flotation runner control system according to claim 1 or 2, wherein the event analysis device includes a preset runner state database storing flotation froth images corresponding to historical runner accidents and a real-time runner state database storing flotation froth images acquired in real time from the image acquisition device.
4. The flotation run tank control system of claim 3, wherein the event analysis device comprises:
and the image processing unit is used for carrying out image analysis and comparison according to the flotation froth image in the real-time runner groove state database and the flotation froth image corresponding to the historical runner groove accident in the preset runner groove state database so as to obtain the runner groove accident analysis result.
5. The flotation run tank control system according to claim 1, wherein the field control unit is configured to handle the run tank accident in a manual control manner according to an accident handling plan, the remote control unit is configured to handle the run tank accident in a remote control manner according to the accident handling plan, and the automatic control unit is configured to handle the run tank accident in an automatic control manner according to the accident handling plan.
6. The flotation run control system of claim 1, further comprising:
and the event storage device is connected with the image acquisition device and the event analysis device and is used for storing data related to the running groove accident.
7. A flotation run control method applying the flotation run control system according to any one of claims 1 to 6, characterized in that:
acquiring flotation froth images in the flotation machine and the flotation machine ore receiving tank in real time through the image acquisition device;
analyzing the flotation froth image through an event analysis device to obtain the contact condition of a scraper of the flotation machine and the edge of the flotation machine ore receiving groove and whether ore pulp flows out, and obtaining a groove running accident analysis result according to the contact condition of the scraper of the flotation machine and the edge of the flotation machine ore receiving groove and whether ore pulp flows out;
when the groove running accident analysis result indicates that the groove running accident exists, outputting an early warning signal by the early warning device;
responding the early warning signal, calling an automatic control unit to process the groove running accident through the accident processing device, calling a field control unit to process the groove running accident when the groove running accident still exists after the first preset time, and calling a remote control unit to process the groove running accident when the groove running accident still exists after the second preset time.
8. The flotation run tank control method of claim 7, further comprising:
and carrying out image analysis and comparison according to the flotation froth image in the real-time runner groove state database in the event analysis device and the flotation froth image when a runner groove accident occurs in the preset runner groove state database so as to obtain the runner groove accident analysis result.
9. The flotation run tank control method according to claim 7, wherein the invoking of the automatic control unit by the accident handling device to handle the run tank accident invokes a field control unit to handle the run tank accident when the run tank accident still exists after a first preset time, invokes a remote control unit to handle the run tank accident when the run tank accident still exists after a second preset time, and comprises:
calling the automatic control unit to process the running groove accident in an automatic control mode according to an accident processing plan;
when the run-out groove accident still exists after the first preset time, calling the field control unit to process the run-out groove accident in a manual control mode according to the accident processing plan;
and when the running groove accident still exists after the second preset time, calling the remote control unit to process the running groove accident in a remote control mode according to the accident processing plan.
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2257158A1 (en) * | 1996-05-31 | 1997-12-04 | Baker Hughes Incorporated | Method and apparatus for controlling froth flotation machines |
| EA004377B1 (en) * | 1999-11-24 | 2004-04-29 | Оутокумпу Ойй | Monitoring and control of a froth flotation plant |
| PE20200181A1 (en) * | 2017-06-07 | 2020-01-24 | Stone Three Digital Pty Ltd | REAL-TIME MONITORING AND PERFORMANCE RECOMMENDATION SYSTEM FOR MULTIPLE-CELL FOAM FLOATING SYSTEM |
| CN108855631B (en) * | 2018-06-20 | 2020-07-10 | 北京矿冶科技集团有限公司 | Flotation machine yield control device based on foam image analyzer |
| CN109092568A (en) * | 2018-08-10 | 2018-12-28 | 湖南柿竹园有色金属有限责任公司 | A kind of flotation column automatic control system |
| CN109772593B (en) * | 2019-01-25 | 2020-09-29 | 东北大学 | A method for predicting slurry level based on dynamic characteristics of flotation foam |
| CN110899005B (en) * | 2019-12-24 | 2024-09-24 | 江西理工大学 | Intelligent monitoring device and monitoring method for ore pulp and foam full tank of flotation tank |
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