CN112149304A - Tailing pond tailing discharging method and device - Google Patents
Tailing pond tailing discharging method and device Download PDFInfo
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Abstract
The application provides a tailing discharge method and a tailing discharge device for a tailing pond, wherein the tailing discharge method for the tailing pond comprises the following steps: acquiring actual measurement data of the tailing pond in real time through data acquisition equipment, wherein the actual measurement data comprises detection data, video data and three-dimensional data of the tailing pond; establishing a three-dimensional model of the tailing pond according to the measured data and the design parameters of the tailing pond; analyzing and predicting the tailing accumulation condition based on the measured data, the design parameters and the three-dimensional model, and generating a tailing discharge strategy according to the analysis and prediction result; controlling the tailing discharging equipment according to the tailing discharging strategy; and continuously correcting the tailing rheological model and the consolidation characteristic parameters according to the actually measured data and the form change of the three-dimensional model, and optimizing a tailing discharge strategy according to the tailing rheological model and the consolidation characteristic parameters. The tailing pond tailing sand discharge method and the tailing pond tailing sand discharge device can achieve real-time monitoring, intelligent analysis, prediction and dynamic optimization automatic control of tailing pond tailing sand accumulation conditions.
Description
Technical Field
The application relates to the technical field of tailing pond monitoring, in particular to a tailing pond tailing sand discharge method and device.
Background
The tailing pond is a site which is formed by damming and intercepting a valley opening or surrounding land and is used for piling metal or nonmetal mines and discharging tailings or other industrial waste residues after ore sorting, and is a main structure of a mine tailing facility. The reasonable planning and operation of the tailing discharge are important factors influencing the safety and the effective storage capacity of the tailing pond.
At present, tailings discharge plans and strategies of tailing ponds are mainly determined by field visual inspection or survey of workers on site and according to experience. The tailing discharge equipment and the valve bank of the tailing pond are manually operated and controlled by field operators according to discharge plans and strategies.
The above method has the following disadvantages:
1. tailing pond tailing discharge plan and strategy lack scientific and effective survey and judgment means, completely depend on visual data and manual judgment, are greatly influenced by personal experience, are difficult to achieve the expected tailing deposition effect, cause tailing to accumulate unevenly, deviate from design planning, reduce effective storage capacity and have potential safety hazards.
2. The tailing discharging equipment and the valve bank of the tailing pond have no logic and basis of automatic control, can only be operated manually on site, have low working efficiency, and have certain potential safety hazards for site operators because of certain dangerousness when entering the tailing pond area.
Therefore, a new tailing discharge method and device for the tailing pond are needed.
The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
In view of this, the application provides a tailing discharge method and device for a tailing pond, which can realize real-time monitoring and intelligent control of tailing accumulation conditions of the tailing pond.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned by practice of the application.
According to a first aspect of the embodiments of the present application, a tailing discharge method of a tailing pond is provided, the method including: acquiring actual measurement data of a tailing pond in real time through data acquisition equipment, wherein the actual measurement data comprises detection data, video data and three-dimensional data of the tailing pond; establishing a three-dimensional model of the tailing pond according to the measured data and the design parameters of the tailing pond; analyzing and predicting the tailing accumulation condition based on the measured data, the design parameters and the three-dimensional model, and generating a tailing discharge strategy according to the analysis and prediction result; controlling tailing discharge equipment according to the tailing discharge strategy to realize the dynamic optimization and automatic discharge of the tailing in a tailing pond; and continuously correcting a tailing rheological model and consolidation characteristic parameters according to the measured data and the form change of the three-dimensional model, and optimizing the tailing discharge strategy according to the tailing rheological model and the consolidation characteristic parameters.
In an exemplary embodiment of the present application, the obtaining measured data of a tailings pond in real time by a data acquisition device includes: acquiring the measured data through photogrammetric equipment; and/or acquiring the measured data through a laser scanner; and/or acquiring the measured data through a radar scanner; and/or acquiring the measured data through an online monitoring system of a tailing pond; and/or acquiring the measured data through a tailing discharge detection device.
In an exemplary embodiment of the present application, analyzing and predicting the tailings accumulation condition based on the measured data, the design parameters and the three-dimensional model includes one or more of the following conditions: comparing the width of the tailing dam in the measured data with a designed value of the width of the tailing dam to obtain a comparison result of the width of the tailing dam; comparing the ratio of the inner slope to the outer slope of the dam in the measured data with a design value of the ratio of the inner slope to the outer slope of the dam to obtain a comparison result of the inner slope and the outer slope of the dam; determining a flood regulation reservoir capacity analysis result according to the flood regulation reservoir capacity, the safety superelevation and the minimum dry beach length in the measured data; judging whether the flood discharging weir is blocked according to the flow of the flood discharging weir in the measured data to obtain a blocking judgment result; obtaining a drainage well state result according to the drainage well state data in the measured data; performing geometric analysis on the shape of the tailings dam in the three-dimensional model through the design parameters to obtain tailings dam analysis data; predicting tailing accumulation form and at least one safety parameter according to design parameters, measured data, a tailing slurry rheological property model and tailing consolidation property parameters; wherein the security parameters include one or more of: the width of the tailing dam, the ratio of the inner slope to the outer slope of the dam, the capacity of a flood regulating reservoir, the capacity of the flood regulating reservoir, the safety superelevation and the length of a dry beach.
In an exemplary embodiment of the present application, generating the tailings drainage strategy based on the analysis and prediction results comprises: predicting the dischargeable capacity of each discharge point according to the analysis and prediction results and the expected tailing data; and optimizing the tailings discharge strategy according to the dischargeable capacity.
In an exemplary embodiment of the present application, controlling a tailings discharge apparatus according to the tailings discharge strategy comprises: determining the opening and closing time of the tailing discharging equipment according to the tailing discharging strategy; and determining the opening and closing sequence of the tailing discharging equipment according to the tailing discharging strategy.
In an exemplary embodiment of the present application, further comprising: and opening the flushing equipment of the tailing pond in a timing control mode so as to flush the pipeline of the tailing discharging equipment.
In an exemplary embodiment of the present application, further comprising: further comprising: and sending the measured data and the three-dimensional model to a display interface in real time.
According to a second aspect of the embodiments of the present application, there is provided a tailings pond tailings discharge apparatus, the apparatus comprising: the three-dimensional data acquisition equipment is used for acquiring actually measured data of a tailing pond in real time, wherein the actually measured data comprises detection data, video data and three-dimensional data of the tailing pond; the model module is used for establishing a three-dimensional model of the tailing pond according to the measured data and the design parameters of the tailing pond; the analysis module is used for analyzing and predicting the tailing accumulation condition based on the measured data, the design parameters and the three-dimensional model and generating a tailing discharge strategy according to the analysis and prediction result; the tailing discharging equipment is used for implementing the tailing discharging strategy so as to realize tailing discharging of a tailing pond; and the optimization module is used for continuously correcting the tailing rheological model and the consolidation characteristic parameters according to the actually measured data and the morphological change of the three-dimensional model, and optimizing the tailing discharge strategy according to the tailing rheological model and the consolidation characteristic parameters
In an exemplary embodiment of the present application, the data acquisition device comprises one or more of: the device comprises photogrammetric equipment, a laser scanner, a radar scanner, an online monitoring system of a tailing pond and a tailing discharge detection device.
In an exemplary embodiment of the present application, the apparatus further comprises: and the data acquisition system is used for transmitting the measured data to the model module in a wired and/or wireless mode.
According to the tailing discharging method and device for the tailing pond, real-time monitoring and intelligent control of the tailing accumulation condition of the tailing pond can be achieved, tailing discharging strategies can be optimized in real time according to actually measured data and morphological changes of the three-dimensional model, and discharging quality and discharging efficiency are improved.
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 application and together with the description, serve to explain the principles of the application. The drawings described below are only some embodiments of the present application, and other drawings may be derived from those drawings by those skilled in the art without inventive effort.
Fig. 1 is a flow diagram illustrating a tailings pond tailings discharge method according to an exemplary embodiment.
Fig. 2 is a flow diagram illustrating a tailings pond tailings discharge method according to an exemplary embodiment.
Fig. 3 is a flow diagram illustrating a tailings disposal method for a tailings pond according to another exemplary embodiment.
Fig. 4 is a block diagram illustrating a tailings pond tailings discharge apparatus according to an exemplary embodiment.
Fig. 5 is a block diagram illustrating a tailings pond tailings discharge apparatus according to another exemplary embodiment.
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 embodiments 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 same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.
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 provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations or operations have not been shown or described in detail to avoid obscuring aspects of the invention.
The drawings are merely schematic illustrations of the present invention, in which the same reference numerals denote the same or similar parts, and thus, a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and steps, nor do they necessarily have to be performed in the order described. For example, some steps may be decomposed, and some steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings.
Fig. 1 is a flow diagram illustrating a tailings pond tailings discharge method according to an exemplary embodiment. The tailings pond tailings discharge method 10 includes at least steps S102 to S110.
As shown in fig. 1, in S102, measured data of the tailings pond is obtained in real time through the data acquisition device, where the measured data includes monitoring data, video data, and three-dimensional data of the tailings pond. The topography of the tailings pond can be measured to obtain three-dimensional data of the surface of the dam body of the tailings pond, wherein the three-dimensional data can be, for example and without limitation, the dry beach shape, the water surface shape and the like of the tailings pond; the tailings concentration and tailings flow rate may be measured, for example, but not limited to, using a concentration meter, a flow meter, to obtain measured data. The video data may, for example, record water level information, dry beach changes, etc. in real time, and the video data may also, for example, be used to monitor the safety status of the field devices of the tailings pond.
In one embodiment, S102 includes: acquiring measured data through photogrammetric equipment; and/or acquiring measured data through a laser scanner; and/or acquiring measured data through a radar scanner; and/or acquiring measured data through an online monitoring system of a tailing pond; and/or acquiring measured data through a tailing discharge detection device. Wherein the photogrammetric equipment can be used for acquiring video information, and the laser scanner can acquire three-dimensional data of a tailings pond, such as data in the form of point cloud. The radar scanner can be used for measuring information such as water level information, tailing form and the like. The laser scanner, the radar scanner and the photogrammetric equipment can be installed in an airborne manner or in a fixed manner, and the invention is not limited to this. The online monitoring system of the tailing pond can be used for acquiring elevation, liquid level, gradient, displacement and the like. The tailings discharge monitoring system can be used for obtaining the concentration, flow, mass, cumulant and the like of the tailings.
In S104, a three-dimensional model of the tailings pond is established according to the measured data and the design parameters of the tailings pond. The three-dimensional model can be built according to the three-dimensional data and the design parameters, and the three-dimensional identification of the field device and the like can be built according to the video data, the design parameters and the like. In addition, the real-time state of the site of the tailing pond can be displayed according to the video data.
In S106, analyzing and predicting the tailing accumulation condition based on the measured data, the design parameters and the three-dimensional model, and generating a tailing discharge strategy according to the analysis and prediction result. In this case, the tailing accumulation can be analyzed from data such as the form of the tailing. And calculating according to design parameters or manual setting to obtain an ideal tailing accumulation form, analyzing according to the tailing accumulation condition and the ideal tailing accumulation form to obtain a current sand lack area and sand lack quantity, and generating a tailing discharge strategy according to the current sand lack area and the sand lack quantity.
In one embodiment, analyzing and predicting tailings buildup based on measured data, design parameters, and the three-dimensional model includes one or more of: comparing the width of the tailing dam in the measured data with a designed value of the width of the tailing dam to obtain a comparison result of the width of the tailing dam; comparing the ratio of the inner slope to the outer slope of the dam in the measured data with a design value of the ratio of the inner slope to the outer slope of the dam to obtain a comparison result of the inner slope and the outer slope of the dam; determining a flood regulation reservoir capacity analysis result according to the flood regulation reservoir capacity, the safety superelevation and the minimum dry beach length in the measured data; judging whether the flood discharging weir is blocked according to the flow of the flood discharging weir in the measured data to obtain a blocking judgment result; obtaining a drainage well state result according to drainage well state data in the measured data; carrying out geometric analysis on the shape of the tailing dam in the three-dimensional model through design parameters to obtain tailing dam analysis data; predicting tailing accumulation form and at least one safety parameter according to design parameters, measured data, a tailing slurry rheological property model and tailing consolidation property parameters; wherein the security parameters include one or more of the following: the width of the tailing dam, the ratio of the inner slope to the outer slope of the dam, the capacity of a flood regulating reservoir, the capacity of the flood regulating reservoir, the safety superelevation and the length of a dry beach.
In one embodiment, generating the tailings discharge strategy based on the analysis and prediction results comprises: predicting the dischargeable capacity of each discharge point according to the tailing discharge model and the tailing expected data; and generating a tailing discharge strategy according to the dischargeable capacity and the tailing discharge distribution model. Wherein the tailings draining equipment can be, for example but not limited to, a pump with remote switch function, a cyclone, a slurry valve, etc. For example, the discharge amount of each tailings discharge point may be estimated based on the current tailings accumulation form, the desired tailings accumulation form, the amount of sand deficiency in the sand deficient area, and the tailings flow rate, concentration data, etc. to obtain the dischargeable capacity of each discharge point. And formulating a tailing discharge strategy according to the dischargeable capacity.
And S108, controlling the tailing discharging equipment according to the tailing discharging strategy to realize tailing discharging of the tailing pond. The work plan of the discharging equipment in the preset time, such as the work sequence and the work time, can be arranged according to the tailing discharging strategy. This may be accomplished by PLC logic programming, but the disclosure is not so limited.
In one embodiment, controlling the tailings discharge apparatus according to the tailings discharge strategy comprises: determining the opening and closing time of the tailing discharging equipment according to a tailing discharging strategy; and determining the opening and closing sequence of the tailing discharging equipment according to the tailing discharging strategy. The tailings discharge strategy may be, for example, a control strategy for the discharge device for a predetermined time. The discharge devices include, but are not limited to, pumps, cyclones, slurry valves, etc. with remote switch functionality.
In step S110, the tailings rheological model and the consolidation characteristic parameters are continuously corrected according to the measured data and the morphological change of the three-dimensional model, and the tailings discharge strategy is optimized according to the tailings rheological model and the consolidation characteristic parameters. In order to ensure the effectiveness of the tailing discharging strategy, the actual stacking form change of each discharging point can be compared with the estimated form according to the latest tailing data obtained in real time, such as the tailing form, so as to form dynamic feedback and adjust the tailing discharging strategy in real time.
In one embodiment, further comprising: and opening the flushing equipment of the tailing pond in a timing control mode so as to flush the pipeline of the tailing discharging equipment. The flushing device is, for example and without limitation, a flushing water valve, and the flushing water source may be introduced from the tailings pond nearby, which is not particularly limited in the present invention. When the flushing equipment is used for flushing at fixed time, automatic flushing can be carried out for a certain time after the pipeline of the corresponding tailing discharging equipment is discharged, so that ore pulp residue and drying of a pipeline or a valve are avoided.
In one embodiment, further comprising: and sending the measured data and the three-dimensional model to a display interface in real time. The three-dimensional model of the tailing pond and the tailing discharging model can be sent to a client display interface through the data server, and functions of three-dimensional scene browsing, video display and the like of the tailing pond are provided.
According to the tailing discharging method of the tailing pond, the measured data of the tailing pond are organically combined and analyzed to generate the tailing discharging strategy and control the discharging of the tailing according to the tailing discharging strategy, the real-time monitoring and intelligent control of the tailing accumulation condition of the tailing pond can be achieved, the tailing discharging strategy can be optimized in real time according to the measured data and the form change of the three-dimensional model, and the discharging quality and the discharging efficiency are improved.
Fig. 2 is a flow diagram illustrating a tailings pond tailings discharge method according to an exemplary embodiment. The tailings pond tailings drainage method 20 includes at least one or more of S202 to S210.
In S202, the measured data is acquired by a photogrammetric device. The laser scanner may measure the distance, for example by measuring the visible distance of the tailings pond dam, to obtain measured data about the tailings pond. The laser scanner may be mounted on-board or in a fixed manner, and when mounted in a fixed manner, its fixed point may be adjustable, such as but not limited to a fixed rod or the like that may be adjusted in height, to avoid having to re-mount the laser scanner multiple times.
In S204, the measured data is acquired by a laser scanner. The radar scanner may measure the distance, for example by measuring the visible distance of the tailings pond dam, to obtain measured data about the tailings pond. The radar scanner is mounted in a similar manner to the laser scanner.
In S206, the measured data is acquired by a radar scanner. The photogrammetric equipment may be, for example and without limitation, an infrared camera, which may automatically obtain measured data of the tailings pond using video tracking technology contained within the software.
In S208, measured data is obtained by the online monitoring system of the tailings pond. The online monitoring system of the tailing pond can be used for obtaining measured data such as elevation, liquid level, gradient and displacement.
In S210, measured data is obtained by a tailings discharge detection apparatus. The tailing discharge detection device can be used for obtaining measured data such as tailing concentration, flow, quality, cumulant and the like.
Fig. 3 is a flow diagram illustrating a tailings disposal method for a tailings pond according to another exemplary embodiment. The tailings pond tailings discharge method 30 includes at least steps S302 to 318.
In S302, measured data of the tailings pond is collected by a data collecting device, where the measured data includes: detection data, video data, three-dimensional data, tailing flow, concentration data and the like.
In S304, a three-dimensional model of the tailings pond is established according to the design parameters and the measured data of the tailings pond.
In S306, the data server stores and manages the video data, the three-dimensional data, the tailing flow rate, the tailing concentration, and other data of the tailing pond.
In S308, the data server sends the three-dimensional data collected in real time or at regular time to the display interface to display and update the display interface.
In S310, automatic tailing discharging control equipment and a valve group are arranged, wherein the automatic tailing discharging control equipment comprises a pump with a remote switch function, a cyclone, an ore pulp valve, a flushing water valve and the like. The water source of the flushing water valve is led from the tailing pond to store water nearby.
In S312, the tailing pond analysis module is operated through the data server to analyze the tailing accumulation condition, so as to obtain the sand-lack area, the sand-lack amount, and the tailing discharge model. And establishing a discharge point distribution model, identifying the terminal position of each pipeline for discharging the tailings in the three-dimensional model of the tailing pond, and planning, segmenting and representing the tailing stockpiling area radiated by the discharge points.
In S314, the tailing discharging intelligent control module is operated by the data server:
(1) and estimating the tailing discharge points and the discharge amount of each discharge point according to the current tailing accumulation form, the expected tailing accumulation form, the sand shortage amount of the sand shortage area, the tailing flow rate and the concentration data.
(2) Generating a tailing discharge strategy within a certain time.
(3) Presetting the working sequence and the working time of automatic tailing discharge control equipment and a pipeline according to a tailing discharge strategy;
(4) and comparing the actual stockpiling form change of each discharge point with the estimated form according to the real-time or timing scanning tailings form to form dynamic feedback and adjust the tailings discharge strategy in time.
(5) And controlling the flushing water valve to automatically flush for a certain time according to a program after the corresponding pipeline is discharged so as to prevent ore pulp from remaining in the pipeline or the valve and drying, wherein the water source for flushing the water valve is led from the tailing pond nearby.
In S316, a display interface is issued to the client through the data server, so as to provide functions of three-dimensional scene browsing, video display, information query, human-computer interaction, and the like for the tailing pond.
In S318, the three-dimensional model of the tailing pond and scene display browsing, video display, information query, human-computer interaction, control setting, and the like thereof are realized by the monitoring client.
According to the tailing discharge method of the tailing pond, the three-dimensional model, the video data and the detection data of the tailing pond are organically combined, the tailing pond is subjected to three-dimensional analysis, and the tailing accumulation form analysis and the tailing discharge intelligent optimization control are realized.
According to the tailing discharge method of the tailing pond, the tailing discharge is controlled remotely, automatically and visually by adopting scientific prediction, judgment and control means, personal experience is not relied on, the accumulation of the tailing reaches the expected deposition effect, the form health and safety of the tailing pond are guaranteed, the workload of field operators is reduced, and potential safety hazards are reduced.
According to the tailing discharging method of the tailing pond, the tailing discharging and switching valve group and the pipeline are automatically washed by using the water stored in the tailing pond nearby, the state of equipment is improved, and the service life of the equipment is prolonged.
Fig. 4 is a block diagram illustrating a tailings pond tailings discharge apparatus according to an exemplary embodiment. Referring to fig. 4, the mine safety analysis device 40 includes at least a data acquisition apparatus 402, a model module 404, an analysis module 406, a discharge apparatus 408, and an optimization module 410.
In the tailing pond tailing discharging device, the data acquisition equipment 402 is used for acquiring actually measured data of a tailing pond in real time, wherein the actually measured data comprises detection data, video data and three-dimensional data of the tailing pond. The topography of the tailings pond can be measured to obtain three-dimensional data of the surface of the dam body of the tailings pond, wherein the three-dimensional data can be, for example and without limitation, the dry beach shape, the water surface shape and the like of the tailings pond; the tailings concentration and tailings flow rate may be measured, for example, but not limited to, using a concentration meter, a flow meter, to obtain measured data. The video data may, for example, record water level information, dry beach changes, etc. in real time, and the video data may also, for example, be used to monitor the safety status of the field devices of the tailings pond.
In one embodiment, the data acquisition device 402 includes one or more of a photogrammetric device, a laser scanner, a radar scanner, an online tailings pond monitoring system, and a tailings discharge detection apparatus. Wherein the photogrammetric equipment can be used for acquiring video information, and the laser scanner can acquire three-dimensional data of a tailings pond, such as data in the form of point cloud. The radar scanner can be used for measuring information such as water level information, tailing form and the like. The laser scanner, the radar scanner and the photogrammetric equipment can be installed in an airborne manner or in a fixed manner, and the invention is not limited to this.
The model module 404 is configured to build a three-dimensional model of the tailings pond according to the measured data of the tailings pond and the design parameters. The three-dimensional model can be built according to the three-dimensional data and the design parameters, and the three-dimensional identification of the field device and the like can be built according to the video data, the design parameters and the like. In addition, the real-time state of the site of the tailing pond can be displayed according to the video data.
The analysis module 406 is configured to analyze and predict a tailing accumulation condition based on the measured data, the design parameters, and the three-dimensional model, and generate a tailing discharge strategy according to an analysis and prediction result. In this case, the tailing accumulation can be analyzed from data such as the form of the tailing. And calculating according to design parameters or manual setting to obtain an ideal tailing accumulation form, analyzing according to the tailing accumulation condition and the ideal tailing accumulation form to obtain a current sand lack area and sand lack quantity, and generating a tailing discharge strategy according to the current sand lack area and the sand lack quantity.
In one embodiment, the analysis module 406 may include a tailings dam width comparison unit, a dam inside and outside comparison unit, a flood diversion reservoir capacity analysis unit, a flood discharge weir analysis unit, a drainage well status analysis unit, and a tailings dam geometry analysis unit. And the tailing dam width comparison unit is used for comparing the tailing dam width in the measured data with a tailing dam width design value to obtain a tailing dam width comparison result. And the dam internal and external comparison unit is used for comparing the dam internal and external slope ratio in the measured data with the designed dam internal and external slope ratio value to obtain a dam internal and external comparison result. And the flood regulation storage capacity analysis unit is used for determining a flood regulation storage capacity analysis result according to the flood regulation storage capacity, the safety superelevation and the minimum dry beach length in the measured data. And the flood discharge weir analysis unit is used for judging whether the flood discharge weir is blocked according to the flow of the flood discharge weir in the measured data to obtain a blocking judgment result. And the drainage well state analysis unit is used for obtaining a drainage well state result according to the drainage well state data in the measured data. And the tailings dam geometric analysis unit is used for performing geometric analysis on the tailings dam form in the three-dimensional model through the design parameters to obtain tailings dam analysis data.
In one embodiment, the analysis module 406 is configured to predict a dischargeable capacity for each discharge point based on the analysis and prediction results and the tailings expected data; and generating a tailing discharge strategy according to the dischargeable capacity and the tailing discharge distribution model. Wherein the tailings draining equipment can be, for example but not limited to, a pump with remote switch function, a cyclone, a slurry valve, etc. For example, the discharge amount of each tailings discharge point may be estimated based on the current tailings accumulation form, the desired tailings accumulation form, the amount of sand deficiency in the sand deficient area, and the tailings flow rate, concentration data, etc. to obtain the dischargeable capacity of each discharge point. And formulating a tailing discharge strategy according to the dischargeable capacity.
The tailings discharge equipment 408 is used to implement the tailings discharge strategy to achieve tailings discharge from the tailings pond. The work schedule of the tailing discharging equipment in the preset time, such as the work sequence and the work time, can be arranged according to the tailing discharging strategy. This may be accomplished by PLC logic programming, but the disclosure is not so limited.
In one embodiment, the open and close times of tailings discharge apparatus 408 are determined according to a tailings discharge strategy; and determining the opening and closing sequence of the tailings discharge apparatus 408 according to the tailings discharge strategy. The tailings discharge strategy may be, for example, a control strategy for the discharge device for a predetermined time. The discharge device 408 includes, but is not limited to, a pump with remote switch function, a cyclone, a slurry valve, etc.
The utility model provides a tailing storehouse tailings discharging equipment carries out organic combination and analysis through the measured data to the tailing storehouse to generate the tailings and discharge the tactics and control the emission of tailings in view of the above, can realize real-time supervision and the intelligent control of the condition is piled up to tailing storehouse tailings, and can improve emission quality and emission efficiency according to measured data and three-dimensional model's morphological change real-time optimization tailings and discharge the tactics.
Fig. 5 is a block diagram illustrating a tailings pond tailings discharge apparatus according to another exemplary embodiment. Referring to fig. 5, the tailings pond tailings discharge apparatus 50 includes at least a data collection device 502, a data collection system 504, a data server 506, and a client 508.
In the tailing pond tailing discharging device, the data acquisition equipment 502 is used for acquiring video data, three-dimensional data, tailing flow, tailing concentration and other data of a tailing pond in real time or at regular time and outputting control signals to tailing discharging equipment and pipelines. Data acquisition device 502 includes at least equipment for acquiring measured data, such as airborne or stationary laser scanning, radar scanning, photogrammetry, concentration detection sensors, and flow sensors. The video data refers to video image information of the global or key position of the tailing pond. And establishing a three-dimensional model of the tailing pond according to the design parameters and the measured data of the tailing pond. The design parameters of the tailings pond comprise: construction drawings and the like. The measured data includes: topographic data acquired by photogrammetry, laser scanning, radar scanning, etc. The tailing discharging equipment and the valve bank comprise a pump with a remote switch function, a cyclone, an ore pulp valve, a flushing water valve and the like. And the tailing pond analysis module is used for analyzing the tailing accumulation condition to obtain a sand lack area, a sand lack amount, a tailing discharge model and an expected tailing accumulation form. And the tailing discharging model is used for identifying the end point positions of the tailing discharging pipelines in the three-dimensional model of the tailing pond, and planning, segmenting and representing the tailing stockpiling area radiated by each discharging point.
The tailing discharging control module realizes the following functions:
(1) and estimating the tailing discharge points and the discharge amount of each discharge point according to the current tailing accumulation form, the expected tailing accumulation form, the sand shortage amount of the sand shortage area, the tailing flow rate and the concentration data.
(2) Generating a tailing discharge strategy within a certain time.
(3) And presetting the working sequence and the working time of the automatic tailing discharging control equipment and the pipeline according to a tailing discharging strategy.
(4) And comparing the actual stacking form change of each discharge point with the estimated form according to the real-time or timing scanning tailings form to form dynamic feedback, and adjusting the tailings discharge strategy in time, such as adjusting the working time of each discharge device.
(5) And automatically flushing for a certain time according to a program after the corresponding pipeline is discharged so as to prevent the pipeline or the valve from being left with ore pulp and being dried, wherein the flushing water is led from a tailing pond to store water nearby.
The data server 506 is configured to manage three-dimensional data, video data, and detection data; the method comprises the following steps of operating a tailing pond analysis module, a tailing discharge control module and a man-machine interaction module; and issuing a display interface to the client, and providing functions of three-dimensional scene browsing, video display, information inquiry, human-computer interaction and the like, control setting and the like of the tailing pond.
The client 508 can provide functions of displaying and browsing the three-dimensional model of the tailings pond and scenes thereof, displaying videos, inquiring information interfaces, human-computer interaction interfaces, controlling settings and the like. The man-machine interaction interface manages or an operator queries the tailing pond model and data through the man-machine interaction module, switches different scenes, performs control setting and the like.
Furthermore, the above-described figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the details of construction, arrangement of drawings, or method of implementation, which have been set forth herein, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A tailing discharge method of a tailing pond is characterized by comprising the following steps:
acquiring actual measurement data of a tailing pond in real time through data acquisition equipment, wherein the actual measurement data comprises detection data, video data and three-dimensional data of the tailing pond;
establishing a three-dimensional model of the tailing pond according to the measured data and the design parameters of the tailing pond;
analyzing and predicting the tailing accumulation condition based on the measured data, the design parameters and the three-dimensional model, and generating a tailing discharge strategy according to the analysis and prediction result; and
controlling tailing discharge equipment according to the tailing discharge strategy to realize tailing discharge of a tailing pond; and
and continuously correcting a tailing rheological model and consolidation characteristic parameters according to the actually measured data and the morphological change of the three-dimensional model, and optimizing the tailing discharge strategy according to the tailing rheological model and the consolidation characteristic parameters.
2. The method of claim 1, wherein the obtaining measured data of the tailings pond in real time through the data acquisition equipment comprises:
acquiring the measured data through photogrammetric equipment; and/or
Acquiring the measured data through a laser scanner; and/or
Acquiring the measured data through a radar scanner; and/or
Acquiring the measured data through an online monitoring system of a tailing pond; and/or
And acquiring the measured data through a tailing discharge detection device.
3. The method of claim 1, wherein analyzing and predicting tailings buildup based on the measured data, design parameters, and three-dimensional model comprises one or more of:
comparing the width of the tailing dam in the measured data with a designed value of the width of the tailing dam to obtain a comparison result of the width of the tailing dam;
comparing the ratio of the inner slope to the outer slope of the dam in the measured data with a design value of the ratio of the inner slope to the outer slope of the dam to obtain a comparison result of the inner slope and the outer slope of the dam;
determining a flood regulation reservoir capacity analysis result according to the flood regulation reservoir capacity, the safety superelevation and the minimum dry beach length in the measured data;
judging whether the flood discharging weir is blocked according to the flow of the flood discharging weir in the measured data to obtain a blocking judgment result;
obtaining a drainage well state result according to the drainage well state data in the measured data;
performing geometric analysis on the shape of the tailings dam in the three-dimensional model through the design parameters to obtain tailings dam analysis data;
predicting tailing accumulation form and at least one safety parameter according to design parameters, measured data, a tailing slurry rheological property model and tailing consolidation property parameters; wherein the security parameters include one or more of: the width of the tailing dam, the ratio of the inner slope to the outer slope of the dam, the capacity of a flood regulating reservoir, the capacity of the flood regulating reservoir, the safety superelevation and the length of a dry beach.
4. The method of claim 3, wherein generating a tailings discharge strategy based on the analysis and prediction results comprises:
predicting the dischargeable capacity of each discharge point according to the analysis and prediction result and expected tailing data; and
and generating the tailing discharging strategy according to the dischargeable capacity.
5. The method of claim 1, wherein controlling the tailings discharge apparatus according to the tailings discharge strategy comprises:
determining the opening and closing time of the tailing discharging equipment according to the tailing discharging strategy; and
and determining the opening and closing sequence of the tailing discharging equipment according to the tailing discharging strategy.
6. The method of claim 1, further comprising:
and opening the flushing equipment of the tailing pond in a timing control mode so as to flush the pipeline of the tailing discharging equipment.
7. The method of claim 1, further comprising:
and sending the measured data and the three-dimensional model to a display interface in real time.
8. The utility model provides a tailing storehouse tailings drainage device which characterized in that includes:
the three-dimensional data acquisition equipment is used for acquiring actually measured data of a tailing pond in real time, wherein the actually measured data comprises detection data, video data and three-dimensional data of the tailing pond;
the model module is used for establishing a three-dimensional model of the tailing pond according to the measured data and the design parameters of the tailing pond;
the analysis module is used for analyzing and predicting the tailing accumulation condition based on the measured data, the design parameters and the three-dimensional model and generating a tailing discharge strategy according to the analysis and prediction result;
the tailing discharging equipment is used for implementing the tailing discharging strategy so as to realize tailing discharging of a tailing pond; and
and the optimization module is used for continuously correcting the tailing rheological model and the consolidation characteristic parameters according to the measured data and the morphological change of the three-dimensional model, and optimizing the tailing discharge strategy according to the tailing rheological model and the consolidation characteristic parameters.
9. The apparatus of claim 8, wherein the data acquisition device comprises one or more of: the device comprises photogrammetric equipment, a laser scanner, a radar scanner, an online monitoring system of a tailing pond and a tailing discharge detection device.
10. The apparatus of claim 8, further comprising:
and the data acquisition system is used for transmitting the measured data to the model module in a wired and/or wireless mode.
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| CN113218310A (en) * | 2021-04-16 | 2021-08-06 | 华中师范大学 | Extraction method and system of important parameters of dry beach of tailing pond based on three-dimensional laser point cloud |
| CN113310515A (en) * | 2021-05-25 | 2021-08-27 | 上海同禾工程科技股份有限公司 | Machine vision-based tailing pond flood drainage facility monitoring system and monitoring method |
| CN115711970A (en) * | 2022-11-14 | 2023-02-24 | 青岛理工大学 | Device and method for generating random variability paste tailing model |
| CN115719012A (en) * | 2023-01-06 | 2023-02-28 | 山东科技大学 | Tailing pond ore drawing arrangement method based on unmanned aerial vehicle remote sensing and multiphase SPH algorithm |
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Cited By (4)
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| CN113218310A (en) * | 2021-04-16 | 2021-08-06 | 华中师范大学 | Extraction method and system of important parameters of dry beach of tailing pond based on three-dimensional laser point cloud |
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