CN116037309A - Crushing, screening and analyzing system for toothed roller type sine roller screen - Google Patents
Crushing, screening and analyzing system for toothed roller type sine roller screen Download PDFInfo
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- CN116037309A CN116037309A CN202310133153.2A CN202310133153A CN116037309A CN 116037309 A CN116037309 A CN 116037309A CN 202310133153 A CN202310133153 A CN 202310133153A CN 116037309 A CN116037309 A CN 116037309A
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/005—General arrangement of separating plant, e.g. flow sheets specially adapted for coal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a crushing, screening and analyzing system for a toothed roller type sine roller screen, which relates to the technical field of screening and analyzing of sine roller screens and is used for solving the problem that the existing sine roller screen still has defects in the aspects of product integral information parameter monitoring, product intelligent control and the like, and comprises the following steps: the system comprises an acquisition module, a screening module and a screening module, wherein the acquisition module is used for acquiring the input mineral flow, the weight of the on-screen mineral and the weight of the undersize mineral of the sinusoidal roller screen, classifying the particle sizes of the on-screen mineral and the undersize mineral, acquiring system parameters based on a self-adaptive multi-sensor information fusion technology by utilizing the system, guaranteeing the accuracy of measurement parameters, judging which area of equipment is problematic by utilizing the data analysis of the screened coal, maintaining at the first time, stopping damage timely, realizing the automation of the mineral separation production process, improving the processing capacity of the equipment in the process of the equipment, and reducing the production cost.
Description
Technical Field
The invention relates to the technical field of screening analysis of sine roller screens, in particular to a crushing screening analysis system for a tooth roller type sine roller screen.
Background
Mineral resources are increasingly being reduced as non-renewable resources, and how to fully and effectively utilize limited resources and improve production and use efficiency has been a focus problem. At present, market competition of mining equipment is increasingly strong, and how to improve market competitiveness of enterprises and realize informatization and automation of production processes is an important subject which needs to be faced in aspects of advanced reform, technical innovation and production management of the Chinese mining. In recent years, in the technical transformation of many domestic large-scale mineral processing enterprises, the application of electronic information technology is greatly promoted, the development of information resources is emphasized, the intelligent control, electronic information and computer technology are widely adopted in the production process control, and the original equipment is innovated, transformed and upgraded by new technology, new technology and new method, so that the enterprise management informatization, the production process automation and the equipment intellectualization level are greatly improved. Many large enterprises have developed from single development and application to networking and intellectualization, and are pushed to management and control integration, and particularly, the overall automation level of large ore dressing enterprises is improved faster, and the performance is obvious.
The sinusoidal roller screen has been widely used for screening solid materials in industries such as coal, electric power, mine, metallurgy, cement and the like, and especially for grading raw coal of enterprises such as coal mines, coal preparation factories and the like. The novel screening device is particularly suitable for 13mm or more than 13mm particle size classification, is developed on the basis of analyzing the defects of the conventional various screening devices and summarizing the screening of materials in the production process of industries such as coal, electric power and the like, has the characteristics of high processing capacity, high screening rate and no vibration during working, can screen materials with high cohesiveness, and is non-sticky, non-blocking and noiseless during the use process. However, the method still has the defects in the aspects of product integral information parameter monitoring, product intelligent control and the like, so that a crushing, screening and analyzing system for the tooth roller type sine roller screen is designed.
In order to solve the above-mentioned defect, a technical scheme is provided.
Disclosure of Invention
The invention aims to solve the problems that the existing sinusoidal roller screen still has defects in the aspects of product overall information parameter monitoring, product intelligent control and the like, and provides a crushing, screening and analyzing system for a toothed roller type sinusoidal roller screen.
The aim of the invention can be achieved by the following technical scheme:
a crushing screening analysis system for a toothed roller sinusoidal roller screen, comprising:
the collecting module is used for collecting the input mineral flow, the weight of the screen minerals and the weight of the undersize minerals of the sinusoidal roller screen, classifying the particle sizes of the screen minerals and the undersize minerals, collecting the weight of the screened minerals with the particle sizes smaller than the preset particle size value in the collecting module and the weight of the screened minerals with the particle sizes larger than the preset particle size value in the collecting module;
the analysis module is used for receiving the input mineral flow, the weight of the on-screen minerals and the weight of the undersize minerals detected by the acquisition module; obtaining an average value of the input mineral flow in a plurality of random time periods by utilizing the input mineral flow and through optimization calculation; obtaining a plurality of output mineral flow average values in random time periods by using the same optimization calculation; the system is also used for calculating errors of the sum of the weight of the minerals on the screen and the weight of the minerals below the screen, namely the weight of the output minerals and the input weight of the minerals in the input mineral flow, and comparing the obtained errors with preset errors arranged in the analysis module;
calculating a difference value between an input mineral flow average value of a plurality of random time periods and an output mineral flow average value of a plurality of random time periods, comparing the difference value with a preset difference value interval arranged in an analysis module, and judging that the mineral input of the sinusoidal roller screen is in a stable state when the difference value is in the preset difference value interval or the calculated error between the weight of the output mineral and the weight of the input mineral in the input mineral flow is smaller than a preset error; when the difference is outside a preset difference interval or the error calculated by the output mineral weight and the mineral input weight in the input mineral flow is larger than a preset error, generating equipment debugging signaling;
the analysis module is also used for receiving the weight of the sieved minerals with the grain size smaller than the preset grain size value, the total weight of the sieved minerals and the total weight of the sieved minerals with the grain size larger than the preset grain size value, respectively calculating to obtain the occupation proportion of the weight of the sieved minerals with the grain size smaller than the preset grain size value and the occupation proportion of the undersize minerals with the grain size larger than the preset grain size value, respectively comparing the two occupation proportions with the preset occupation proportion, and generating a surface sieve shaft maintenance signaling when one of the two occupation proportions is larger than the pre-occupation proportion;
the analysis module is also used for obtaining the ratio of the weight of the received over-screen mineral to the weight of the undersize mineral through calculation, comparing the ratio with a preset ratio arranged in the analysis module, and generating a crushing signaling when the ratio is larger than the preset ratio;
the execution module is used for receiving the equipment debugging signaling, the screening surface screening shaft overhaul signaling, the maintenance signaling and the crushing signaling transmitted in the analysis module and executing the corresponding signaling;
the operation parameter monitoring module is used for monitoring various operation parameters of the sinusoidal roller screen; the operation parameter monitoring module is internally provided with a belt mineral flow monitoring unit, a mineral bin material level monitoring unit, an equipment bearing temperature monitoring unit, a lubricating oil level monitoring unit, a material weight monitoring unit and a current and voltage monitoring unit;
the belt mineral flow monitoring unit is used for detecting mineral flow on the conveying belt; the mineral bin material level monitoring unit is used for detecting the material level in the material level detection in the mineral separation process; the equipment bearing temperature monitoring unit is used for monitoring the temperature of the equipment bearing through a temperature sensor, and generating an alarm signaling when abnormality occurs; the lubricating oil level monitoring unit is used for monitoring the lubricating oil level of the sine screen in real time through a level sensor arranged in a gear box at one side of the sine screen, and generating a prompt signaling when the lubricating oil level is too low; the material weight monitoring unit is used for weighing the sine sieve through pressure sensors arranged at two ends of the sine sieve, so that the total amount of the ore of the sine sieve is determined, and detected data can be accessed into the control module; the current and voltage monitoring unit is used for monitoring current and voltage parameters of the driving motor, and generating a shutdown signaling when an over-current and over-voltage state occurs;
the control module is used for receiving the detection data acquired by each unit of the operation parameter monitoring module; after receiving the data of the belt mineral flow detection unit and the mineral bin material level monitoring unit, regulating the feeding amount of the belt conveyor by combining the mineral bin material level condition and the belt mineral flow condition so that the feeding amount is always in an optimal state; when an alarm signaling transmitted by a bearing temperature monitoring unit of the equipment is received, controlling a machine to stop for protection, checking faults, completing the fault elimination, and starting up after the temperature is reduced below a set temperature; when receiving the prompt signaling transmitted by the lubricating oil liquid level monitoring unit, forming an audible and visual alarm, prompting a nearby manager to stop and completing the increase of lubricating liquid; when the detection real-time data transmitted in the material weight detection unit are received and the motor is in an overload state, notifying nearby operators to remove faults, and when the motor in the detection data is in a normal state, starting up and running; when the shutdown signaling transmitted by the current and voltage detection unit is received, the system circuit or the motor is in an overcurrent and overvoltage state and is immediately shut down until the fault is eliminated, so that the safe operation of the system is ensured.
Further, the input mineral flow in the acquisition module is calculated from the total weight of the mineral input into the sinusoidal roller screen in a preset time period, and the input mineral total weight and the preset time period to obtain the mineral flow per minute/second; the weight of the mineral on the screen consists of the weight of the mineral with the grain diameter larger than a preset grain diameter value after being screened by a sine roller screen in a preset time period; the weight of the undersize minerals is composed of the weight of the minerals with the particle size smaller than a preset particle size value after being sieved by a sine roller sieve in a preset time period; the preset particle size value arranged in the acquisition module is the screening particle size of the sinusoidal roller screen.
Further, the specific operation steps of obtaining the average value of the input mineral flow in a plurality of random time periods through optimization calculation in the analysis module are as follows:
the method comprises the steps of receiving input mineral flow collected by a collection module, randomly selecting a plurality of random time periods in a predicted time period to improve the accuracy of the input mineral flow, recording the input weight of the mineral in the random time periods, calculating the input mineral flow in the random time periods according to the random time periods and the input weight of the mineral in the random time periods, and calculating the average value of the input mineral flow in the random time periods to obtain the average value of the input mineral flow in the random time periods.
Furthermore, the specific operation steps of obtaining the average value of the output mineral flow in a plurality of random time periods by using the same optimization calculation formula in the analysis module are as follows:
receiving the weight of the on-screen minerals and the weight of the undersize minerals, calculating the sum of the weight of the on-screen minerals and the weight of the undersize minerals, namely, the sum of the weight of the on-screen minerals and the weight of the undersize minerals is the weight of the output minerals, randomly selecting a plurality of random time periods in the expected time periods in the output minerals, respectively recording the output weights of the minerals in the plurality of random time periods, calculating the output mineral flow of the plurality of random time periods according to the random time periods and the output mineral flow of the minerals in the random time periods, and calculating the average value of the output mineral flow of the plurality of random time periods to obtain the average value of the output mineral flow of the plurality of random time periods.
Further, the specific operation steps executed by the execution module on the corresponding signaling implementation are as follows:
when equipment debugging signaling is received, judging that the mineral input state of the sinusoidal roller screen is not stable enough and the input force of the sinusoidal roller screen is not enough, prompting peripheral operators to screen abnormal conditions of a motor and a speed reducer in the sinusoidal roller screen, detecting the moisture and granularity of the input coal, reducing the output of coal source equipment, and judging the root cause of the problems; when a screening surface screening shaft overhaul signaling is received, judging that screening capacity of the sinusoidal roller screen is insufficient, prompting peripheral operators to stop to overhaul the screening surface of the sinusoidal roller screen, namely the screening shaft, checking whether unexpected conditions of shaft shifting or falling of ball sheets exist, whether serious blocking phenomenon exists among the screening shafts, whether the temperature of the screening shafts is overheated or not and whether blocking conditions formed by adhered materials exist on the screening surface or not, finishing screening surface and screening shaft overhaul, and starting up operation; and after receiving the crushing signaling, judging that the granularity of the coal source is too large, and carrying out initial crushing processing on the input coal source, so that the weight ratio of the screened minerals is reduced.
Further, the specific operation steps for generating the surface screen shaft overhaul signaling in the analysis module are as follows:
receiving the weight of the screened minerals with the particle size smaller than a preset particle size value and the total weight of the screened minerals, calculating the weight of the screened minerals with the particle size smaller than the preset particle size value and the total weight of the screened minerals in the received screened minerals to obtain the occupation proportion of the screened minerals with the particle size smaller than the preset particle size value in the screened minerals, and comparing the occupation proportion of the screened minerals with the preset occupation proportion of the screened minerals with the particle size smaller than the preset particle size value in the screened minerals in the analysis module; receiving the weight of the screened ore with the grain size larger than the preset grain size value and the total weight of the screened ore, calculating the weight of the screened ore with the grain size larger than the preset grain size value from the received screened ore, obtaining the occupation proportion of the weight of the screened ore with the grain size larger than the preset grain size value from the screened ore, and comparing the occupation proportion of the screened ore with the preset occupation proportion of the screened ore with the grain size larger than the preset grain size value from the screened ore arranged in the analysis module; when the occupation proportion of the weight of the minerals with the grain diameters smaller than the preset grain diameter value after screening in the above-screen minerals is larger than the preset occupation proportion of the weight of the minerals with the grain diameters smaller than the preset grain diameter value after screening in the above-screen minerals or when the occupation proportion of the weight of the minerals with the grain diameters larger than the preset grain diameter value after screening in the below-screen minerals is larger than the preset occupation proportion of the weight of the minerals with the grain diameters larger than the preset grain diameter value after screening in the below-screen minerals, a screen surface screen shaft maintenance signaling is generated and transmitted to an execution module.
Furthermore, in the lubricating oil liquid level monitoring unit, the lubricating oil liquid level detection design simultaneously meets the requirements of solid or liquid state liquid level detection of lubricating oil, a plurality of detection points are arranged in an oil groove, the wheel lubricating oil alarm liquid level can be actually adjusted according to the site in the use process, and a user is reminded of replacing the supplementary wheel lubricating oil when the wheel lubricating oil is lower than the corresponding detection point; the temperature sensors in the equipment bearing temperature monitoring unit are arranged at bearing positions at two ends of the sine screen, the bearing temperature of the sine screen is monitored in real time, an alarm signaling is generated and transmitted to the execution module when the bearing temperature exceeds a set temperature, and the set temperature is set between 65 degrees and 75 degrees.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the system parameters can be acquired based on the self-adaptive multi-sensor information fusion technology, the accuracy of measurement parameters is ensured, the problem of specific area of the equipment is judged by utilizing the data analysis of the screened coal, the equipment is maintained at the first time, the damage is timely stopped, the automation of the ore dressing production process is realized, the processing capacity of the equipment in the time of a station is improved, the production cost is reduced, and the labor productivity and the product quality are improved; the recovery rate, the product quality and the labor productivity of useful minerals can be improved, the economic benefit of enterprises is increased, the labor condition is improved, the production cost is reduced, and the high efficiency and the safety of production are realized;
(2) According to the invention, a modern intelligent control technology is introduced into sine screen equipment, so that the automation and the intellectualization of the system are realized; the running state of the sine screen is monitored through various detection instruments, so that the real-time online monitoring of the system is realized; when faults occur, the automatic start-stop machine can be started and stopped automatically, unmanned on duty of the system is realized, and manpower requirements are reduced.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
fig. 1 is a general block diagram of the system of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the present disclosure is for the purpose of describing particular embodiments only, and is not intended to be limiting of the disclosure. As used in the specification and claims of this disclosure, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the present disclosure and claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As shown in fig. 1, a crushing, screening and analyzing system for a toothed roller type sinusoidal roller screen comprises an acquisition module, an analysis module, an execution module, an operation parameter monitoring module and a control module;
the acquisition module is used for acquiring the input mineral flow, the weight of the on-screen mineral and the weight of the undersize mineral of the sinusoidal roller screen, wherein the input mineral flow is obtained by calculating the total weight of the input mineral into the sinusoidal roller screen in a preset time period and the preset time period to obtain the mineral flow per minute/second; the weight of the mineral on the screen consists of the weight of the mineral with the grain diameter larger than a preset grain diameter value after being screened by a sine roller screen in a preset time period; the weight of the undersize minerals is composed of the weight of the minerals with the particle size smaller than a preset particle size value after being sieved by a sine roller sieve in a preset time period; the device is also used for classifying the particle sizes of the on-screen minerals and the undersize minerals, and collecting the weight of the screened minerals with the particle sizes smaller than the preset particle size value in the collecting module and the weight of the screened minerals with the particle sizes larger than the preset particle size value in the collecting module, wherein the preset particle size value in the collecting module is the screening particle size of the sine roller screen;
the analysis module is used for receiving the input mineral flow, the weight of the on-screen minerals and the weight of the undersize minerals detected by the acquisition module; in order to improve the accuracy of the input mineral flow, a plurality of random time periods are randomly selected in a predicted time period, the mineral input weight in the random time periods is recorded, the input mineral flow in the random time periods is calculated according to the random time periods and the mineral input weight in the random time periods, and the average value of the input mineral flow in the random time periods is calculated to obtain the average value of the input mineral flow in the random time periods;
calculating the sum of the weight of the on-screen minerals and the weight of the undersize minerals, wherein the sum of the weight of the on-screen minerals and the weight of the undersize minerals is the weight of the output minerals, randomly selecting a plurality of random time periods in the expected time periods in the output minerals by utilizing the optimization method, respectively recording the output weights of the minerals in the plurality of random time periods, calculating the output mineral flow of the plurality of random time periods according to the plurality of random time periods and the output weights of the minerals in the plurality of random time periods, and calculating the average value of the output mineral flow of the plurality of random time periods to obtain the average value of the output mineral flow of the plurality of random time periods;
the system is also used for calculating errors of the sum of the weight of the minerals on the screen and the weight of the minerals below the screen, namely the weight of the output minerals and the input weight of the minerals in the input mineral flow, and comparing the obtained errors with preset errors arranged in the analysis module;
calculating a difference value between an input mineral flow average value of a plurality of random time periods and an output mineral flow average value of a plurality of random time periods, comparing the difference value with a preset difference value interval arranged in an analysis module, and judging that the mineral input of the sinusoidal roller screen is in a stable state when the difference value is in the preset difference value interval or the calculated error between the weight of the output mineral and the weight of the input mineral in the input mineral flow is smaller than a preset error; when the difference is outside a preset difference interval or the error calculated by the output mineral weight and the mineral input weight in the input mineral flow is larger than a preset error, generating equipment debugging signaling and transmitting the equipment debugging signaling to an execution module;
the analysis module is also used for receiving the weight of the screened ore with the grain size smaller than the preset grain size value and the total weight of the screened ore, calculating the weight of the screened ore with the grain size smaller than the preset grain size value and the total weight of the screened ore, obtaining the occupation proportion of the weight of the screened ore with the grain size smaller than the preset grain size value, comparing the occupation proportion of the screened ore with the preset occupation proportion of the screened ore with the grain size smaller than the preset grain size value, and generating a screen surface screen shaft maintenance signaling and transmitting the screen surface maintenance signaling to the execution module when the occupation proportion of the screened ore with the grain size smaller than the preset grain size value is larger than the preset occupation proportion of the screened ore with the grain size smaller than the preset grain size value;
the analysis module is also used for receiving the weight of the screened ore with the grain size larger than the preset grain size value and the total weight of the screened ore, calculating the weight of the screened ore with the grain size larger than the preset grain size value and the total weight of the screened ore, obtaining the occupation proportion of the weight of the screened ore with the grain size larger than the preset grain size value, comparing the occupation proportion of the screened ore with the preset occupation proportion of the screened ore with the grain size larger than the preset grain size value, and generating a screen surface screen shaft maintenance signaling and transmitting the screen surface maintenance signaling to the execution module when the occupation proportion of the screened ore with the grain size larger than the preset grain size value is larger than the preset occupation proportion of the screened ore with the grain size larger than the preset grain size value;
the analysis module is also used for obtaining the ratio of the weight of the received over-screen mineral to the weight of the undersize mineral through calculation, comparing the ratio with a preset ratio arranged in the analysis module, and generating a crushing signaling and transmitting the crushing signaling to the execution module when the ratio is larger than the preset ratio;
the execution module is used for receiving the equipment debugging signaling, the screening surface screening shaft overhaul signaling, the maintenance signaling and the crushing signaling which are transmitted in the analysis module; when equipment debugging signaling is received, judging that the mineral input state of the sinusoidal roller screen is not stable enough and the input force of the sinusoidal roller screen is not enough, prompting peripheral operators to screen abnormal conditions of a motor and a speed reducer in the sinusoidal roller screen, detecting the moisture and granularity of the input coal quality, reducing the output force of coal source equipment, and judging the root cause of the problems; when a screening surface screening shaft overhaul signaling is received, judging that screening capacity of the sinusoidal roller screen is insufficient, prompting peripheral operators to stop to overhaul the screening surface of the sinusoidal roller screen, namely the screening shaft, checking whether unexpected conditions of shaft shifting or falling of ball sheets exist, whether serious blocking phenomenon exists among the screening shafts, whether the temperature of the screening shafts is overheated, whether blocking conditions formed by adhered materials exist on the screening surface or not, finishing screening surface and screening shaft overhaul, and starting up operation; when the crushing signaling is received, judging that the granularity of the coal source is too large, and carrying out initial processing and crushing on the input coal source, so that the weight ratio of the screened minerals is reduced;
the operation parameter monitoring module is used for monitoring various operation parameters of the sinusoidal roller screen; the operation parameter monitoring module is internally provided with a belt mineral flow monitoring unit, a mineral bin material level monitoring unit, an equipment bearing temperature monitoring unit, a lubricating oil level monitoring unit, a material weight monitoring unit and a current and voltage monitoring unit;
the belt mineral flow monitoring unit is used for detecting mineral flow on a conveyor belt, wherein the detection of the mineral flow on the conveyor belt is generally carried out on the conveyor belt, the detection instrument of the belt mineral flow is divided into an electronic belt scale developed by utilizing an electronic measurement method and a nuclear belt scale developed by utilizing a nuclear radiation measurement method, one detection mode is selected, and the detection data of the field measurement instrument are input into the control module through output to realize the uploading of the data; the system is characterized in that a more accurate basis is provided for accurately detecting the belt load condition, the intelligent level of the system is improved, the access interface of the electronic belt scale is adapted to the sine screen installation environment, whether to access or not and the access mode are selected according to the installation condition of field equipment, and a 4-20 mA access interface, a 0-5V access interface, a 200-1000 HZ access interface, an MDBUS access interface and a customizable form interface are provided for adapting to the field requirements, so that a user can conveniently select according to the actual requirements;
the mineral bin material level monitoring unit is used for detecting the material level in material level detection in the mineral separation process; the material level detection comprises material level detection, liquid level detection and foam layer detection, wherein the material level detection is the most important parameter in the material level detection; the material level detection generally adopts a radar level gauge, an ultrasonic level gauge, a capacitance type level gauge and the like, preferably adopts the radar level gauge for detection, has the advantages of being capable of continuously and accurately measuring under severe conditions, simple in operation, convenient to debug, accurate and safe, saving energy sources, various in measured medium types, capable of overcoming the interference of external factors such as dust and the like, and suitable for mineral dressing; the data detected by the radar level gauge can be inserted through an external universal interface, namely 4-20 mA, MDBUS and the like, so that the data is processed and uploaded to the control module; in order to prevent blockage caused by overhigh material level in a bin at the lower part of the roller screen and thus influence the normal operation of the roller screen, the scheme adopts a radar level gauge as a measuring device for measuring the condition of materials in the bin, and adopts a 485/MDBUS type access mode;
the equipment bearing temperature monitoring unit is used for monitoring the temperature of the equipment bearing through a temperature sensor; the temperature sensor is arranged at bearing positions at two ends of the sine screen, the bearing temperature of the sine screen is monitored in real time, an alarm signaling is generated and transmitted to the execution module when the bearing temperature exceeds a set temperature, the set temperature is generally set to 65-75 degrees, automatic control shutdown is completed, starting operation is realized after faults are eliminated, temperature parameters can be transmitted to the execution module in real time, and data processing and uploading are completed; aiming at the temperature detection of the motor bearing, the traditional structure of the roller screen is not changed, the installation cost is reduced, a patch type temperature sensor is selected, a temperature detection circuit is designed on a detection circuit board, and the accurate measurement of the temperature is completed in a bridge measurement mode;
the lubricating oil level monitoring unit is used for monitoring the lubricating oil level of the sine screen in real time through a level sensor arranged in a gear box at one side of the sine screen; when the oil level is too low, generating a prompt signal and transmitting the prompt signal and the oil level data to a control module together; the design of the liquid level detection of the lubricating oil simultaneously meets the requirement of solid or liquid level detection of the lubricating oil, a plurality of detection points are arranged in the oil groove, the alarm liquid level of the lubricating oil can be actually adjusted according to the site in the use process, and a user is reminded of replacing the supplementary lubricating oil when the lubricating oil is lower than the corresponding detection points; the method can detect the oil pollution condition to a certain extent, and also generates a prompt signal when the oil pollution is serious, the driving circuit and the light intensity detection circuit of the laser diode are designed on a circuit board, and the installation can be completed only by arranging a simple installation hole on a lubrication groove on site, so that the installation is completed under the condition that the structure of the roller screen system is not changed; the liquid level detection method of the capacitance principle is the same as the installation mode of photoelectric detection, and is a low-cost solution compared with the photoelectric detection method, and a detection circuit arranged on a circuit board mainly completes the detection of the capacitance by measuring the capacitance, and mainly completes the detection based on the difference of the capacitance of the oil liquid state and the oil shortage state of the oil tank;
the material weight monitoring unit is used for weighing the sine sieve through pressure sensors arranged at two ends of the sine sieve, so that the total amount of the ore of the sine sieve is determined, and detected data can be accessed into the control module; the material weight monitoring, namely the pressure detection of the inlet of the roller screen, is realized by adopting a double-flange weighing sensor, the sensor is mainly used for considering the convenience in installation and the low cost, and can be installed by only punching a steel plate at the inlet during installation, and the sensor outputs 4-20 mA signals;
the current and voltage monitoring unit is used for monitoring current and voltage parameters of the driving motor, and when an over-current and over-voltage state occurs, a shutdown signaling is generated and real-time data of current and voltage monitoring are synchronously transmitted to the control module; the method mainly considers the safety of a system, and a circuit board effectively isolates current and voltage signals to finish effective measurement of the current and voltage parameters;
the control module is used for receiving the data of the operation parameter acquisition module, and adjusting the feeding amount of the belt conveyor by combining the material level condition of the ore bin and the mineral flow condition of the belt after receiving the data of the mineral flow detection unit of the belt and the material level monitoring unit of the ore bin, so that the feeding amount is always in an optimal state; when an alarm signaling transmitted by a bearing temperature monitoring unit of the equipment is received, controlling a machine to stop for protection, checking faults, completing the fault elimination, and starting up after the temperature is reduced below a set temperature; when receiving the prompt signaling transmitted by the lubricating oil liquid level monitoring unit, forming an audible and visual alarm, prompting a nearby manager to stop and completing the increase of lubricating liquid; when the detection real-time data transmitted in the material weight detection unit are received and the motor is in an overload state, notifying nearby operators to remove faults, and when the motor in the detection data is in a normal state, starting up and running; when a shutdown signal transmitted by the current and voltage detection unit is received, the system circuit or the motor is in an overcurrent and overvoltage state and is immediately shut down until the fault is eliminated, so that the safe operation of the system is effectively ensured, and dangerous accidents are avoided;
the preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. A crushing screening analysis system for a toothed roller sinusoidal roller screen, comprising:
the collecting module is used for collecting the input mineral flow, the weight of the screen minerals and the weight of the undersize minerals of the sinusoidal roller screen, classifying the particle sizes of the screen minerals and the undersize minerals, collecting the weight of the screened minerals with the particle sizes smaller than the preset particle size value in the collecting module and the weight of the screened minerals with the particle sizes larger than the preset particle size value in the collecting module; characterized by further comprising:
the analysis module is used for receiving the input mineral flow, the weight of the minerals on the screen and the weight of the minerals under the screen detected by the acquisition module, processing and generating equipment debugging signaling, screen surface screen shaft overhaul signaling, maintenance signaling and crushing signaling, and obtaining a plurality of input mineral flow average values in random time periods by utilizing the input mineral flow and through optimization calculation; obtaining a plurality of output mineral flow average values in random time periods by using the same optimization calculation; the system is also used for calculating errors of the sum of the weight of the minerals on the screen and the weight of the minerals below the screen, namely the weight of the output minerals and the input weight of the minerals in the input mineral flow, and comparing the obtained errors with preset errors arranged in the analysis module;
the execution module is used for receiving the equipment debugging signaling, the screening surface screening shaft overhaul signaling, the maintenance signaling and the crushing signaling transmitted in the analysis module and executing the corresponding signaling;
the operation parameter monitoring module is used for monitoring various operation parameters of the sinusoidal roller screen; the operation parameter monitoring module is internally provided with a belt mineral flow monitoring unit, a mineral bin material level monitoring unit, an equipment bearing temperature monitoring unit, a lubricating oil level monitoring unit, a material weight monitoring unit and a current and voltage monitoring unit;
the control module is used for receiving the detection data acquired by each unit of the operation parameter monitoring module; after receiving the data of the belt mineral flow detection unit and the mineral bin material level monitoring unit, regulating the feeding amount of the belt conveyor by combining the mineral bin material level condition and the belt mineral flow condition so that the feeding amount is always in an optimal state; when an alarm signaling transmitted by a bearing temperature monitoring unit of the equipment is received, controlling a machine to stop for protection, checking faults, completing the fault elimination, and starting up after the temperature is reduced below a set temperature; when receiving the prompt signaling transmitted by the lubricating oil liquid level monitoring unit, forming an audible and visual alarm, prompting a nearby manager to stop and completing the increase of lubricating liquid; when the detection real-time data transmitted in the material weight detection unit are received and the motor is in an overload state, notifying nearby operators to remove faults, and when the motor in the detection data is in a normal state, starting up and running; when the shutdown signaling transmitted by the current and voltage detection unit is received, the system circuit or the motor is in an overcurrent and overvoltage state and is immediately shut down until the fault is eliminated, so that the safe operation of the system is ensured.
2. The crushing, screening and analyzing system for the toothed roller type sine roller screen according to claim 1, wherein the input mineral flow rate in the acquisition module is calculated from the total weight of the mineral input into the sine roller screen in a preset time period and the total weight of the mineral input and the preset time period to obtain the mineral flow rate per minute/second; the weight of the mineral on the screen consists of the weight of the mineral with the grain diameter larger than a preset grain diameter value after being screened by a sine roller screen in a preset time period; the weight of the undersize minerals is composed of the weight of the minerals with the particle size smaller than a preset particle size value after being sieved by a sine roller sieve in a preset time period; the preset particle size value arranged in the acquisition module is the screening particle size of the sinusoidal roller screen.
3. The crushing and screening analysis system for a tooth roller type sine roller screen according to claim 1, wherein the specific operation steps of obtaining the average value of the input mineral flow in a plurality of random time periods through optimization calculation formula in the analysis module are as follows:
the method comprises the steps of receiving input mineral flow collected by a collection module, randomly selecting a plurality of random time periods in a predicted time period to improve the accuracy of the input mineral flow, recording the input weight of the mineral in the random time periods, calculating the input mineral flow in the random time periods according to the random time periods and the input weight of the mineral in the random time periods, and calculating the average value of the input mineral flow in the random time periods to obtain the average value of the input mineral flow in the random time periods.
4. The crushing, screening and analyzing system for a tooth roller type sine roller screen according to claim 1, wherein the specific operation steps of obtaining the average value of the output mineral flow of a plurality of random time periods by using the same optimization calculation formula in the analyzing module are as follows:
receiving the weight of the on-screen minerals and the weight of the undersize minerals, calculating the sum of the weight of the on-screen minerals and the weight of the undersize minerals, namely, the sum of the weight of the on-screen minerals and the weight of the undersize minerals is the weight of the output minerals, randomly selecting a plurality of random time periods in the expected time periods in the output minerals, respectively recording the output weights of the minerals in the plurality of random time periods, calculating the output mineral flow of the plurality of random time periods according to the random time periods and the output mineral flow of the minerals in the random time periods, and calculating the average value of the output mineral flow of the plurality of random time periods to obtain the average value of the output mineral flow of the plurality of random time periods.
5. The crushing screening analysis system for a toothed roller type sinusoidal roller screen according to claim 1, wherein the specific process of generating equipment debugging signaling, maintenance signaling and crushing signaling by the analysis module is as follows:
calculating a difference value between an input mineral flow average value of a plurality of random time periods and an output mineral flow average value of a plurality of random time periods, comparing the difference value with a preset difference value interval arranged in an analysis module, and judging that the mineral input of the sinusoidal roller screen is in a stable state when the difference value is in the preset difference value interval or the calculated error between the weight of the output mineral and the weight of the input mineral in the input mineral flow is smaller than a preset error; when the difference is outside a preset difference interval or the error calculated by the output mineral weight and the mineral input weight in the input mineral flow is larger than a preset error, generating equipment debugging signaling;
and comparing the received weight of the on-screen minerals and the weight of the undersize minerals with a preset ratio set in an analysis module, and generating a crushing signaling when the ratio is larger than the preset ratio.
6. The crushing and screening analysis system for a toothed roller sinusoidal roller screen according to claim 1, wherein the specific operation steps performed by the execution module on the corresponding signaling implementation are as follows:
when equipment debugging signaling is received, judging that the mineral input state of the sinusoidal roller screen is not stable enough and the input force of the sinusoidal roller screen is not enough, prompting peripheral operators to screen abnormal conditions of a motor and a speed reducer in the sinusoidal roller screen, detecting the moisture and granularity of the input coal, reducing the output of coal source equipment, and judging the root cause of the problems; when a screening surface screening shaft overhaul signaling is received, judging that screening capacity of the sinusoidal roller screen is insufficient, prompting peripheral operators to stop to overhaul the screening surface of the sinusoidal roller screen, namely the screening shaft, checking whether unexpected conditions of shaft shifting or falling of ball sheets exist, whether serious blocking phenomenon exists among the screening shafts, whether the temperature of the screening shafts is overheated or not and whether blocking conditions formed by adhered materials exist on the screening surface or not, finishing screening surface and screening shaft overhaul, and starting up operation; and after receiving the crushing signaling, judging that the granularity of the coal source is too large, and carrying out initial crushing processing on the input coal source, so that the weight ratio of the screened minerals is reduced.
7. The crushing screening analysis system for a tooth roll sinusoidal roller screen of claim 4, wherein the specific operation steps of generating screen surface screen shaft service signaling in the analysis module are as follows:
receiving the weight of the screened minerals with the particle size smaller than a preset particle size value and the total weight of the screened minerals, calculating the weight of the screened minerals with the particle size smaller than the preset particle size value and the total weight of the screened minerals in the received screened minerals to obtain the occupation proportion of the screened minerals with the particle size smaller than the preset particle size value in the screened minerals, and comparing the occupation proportion of the screened minerals with the preset occupation proportion of the screened minerals with the particle size smaller than the preset particle size value in the screened minerals in the analysis module; receiving the weight of the screened ore with the grain size larger than the preset grain size value and the total weight of the screened ore, calculating the weight of the screened ore with the grain size larger than the preset grain size value from the received screened ore, obtaining the occupation proportion of the weight of the screened ore with the grain size larger than the preset grain size value from the screened ore, and comparing the occupation proportion of the screened ore with the preset occupation proportion of the screened ore with the grain size larger than the preset grain size value from the screened ore arranged in the analysis module; when the occupation proportion of the weight of the minerals with the grain diameters smaller than the preset grain diameter value after screening in the above-screen minerals is larger than the preset occupation proportion of the weight of the minerals with the grain diameters smaller than the preset grain diameter value after screening in the above-screen minerals or when the occupation proportion of the weight of the minerals with the grain diameters larger than the preset grain diameter value after screening in the below-screen minerals is larger than the preset occupation proportion of the weight of the minerals with the grain diameters larger than the preset grain diameter value after screening in the below-screen minerals, a screen surface screen shaft maintenance signaling is generated and transmitted to an execution module.
8. A crushing screening analysis system for a toothed roller sinusoidal roller screen as claimed in claim 1, wherein the belt mineral flow monitoring unit is adapted to detect mineral flow on a conveyor belt; the mineral bin material level monitoring unit is used for detecting the material level in material level detection in the mineral separation process; the equipment bearing temperature monitoring unit is used for monitoring the temperature of the equipment bearing through a temperature sensor, and generating an alarm signaling when abnormality occurs; the lubricating oil level monitoring unit is used for monitoring the lubricating oil level of the sine screen in real time through a level sensor arranged in a gear box at one side of the sine screen, and generating a prompt signaling when the lubricating oil level is too low; the material weight monitoring unit is used for weighing the sine sieve through pressure sensors arranged at two ends of the sine sieve, so that the total amount of the ore of the sine sieve is determined, and detected data can be accessed into the control module; the current and voltage monitoring unit is used for monitoring current and voltage parameters of the driving motor, and when an over-current and over-voltage state occurs, a stop signaling is generated.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996008301A1 (en) * | 1994-09-13 | 1996-03-21 | Rig Technology Limited | Improvements in and relating to vibratory screening apparatus |
| FI20021428A0 (en) * | 2002-07-31 | 2002-07-31 | Metso Minerals Tampere Oy | Procedure for controlling a sieving machine and sieving machine |
| CN106540876A (en) * | 2015-09-16 | 2017-03-29 | 枣庄市瑞隆机械制造有限公司 | Intelligent adjustment controls vibrosieve |
| CN109945921A (en) * | 2019-03-15 | 2019-06-28 | 安徽华星选矿科技有限公司 | A kind of sine screen operating parameter monitoring system |
| CN112122118A (en) * | 2020-09-07 | 2020-12-25 | 中国矿业大学 | Intelligent diagnosis system and diagnosis method for health state of screening surface in screening process |
-
2023
- 2023-02-20 CN CN202310133153.2A patent/CN116037309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996008301A1 (en) * | 1994-09-13 | 1996-03-21 | Rig Technology Limited | Improvements in and relating to vibratory screening apparatus |
| FI20021428A0 (en) * | 2002-07-31 | 2002-07-31 | Metso Minerals Tampere Oy | Procedure for controlling a sieving machine and sieving machine |
| CN106540876A (en) * | 2015-09-16 | 2017-03-29 | 枣庄市瑞隆机械制造有限公司 | Intelligent adjustment controls vibrosieve |
| CN109945921A (en) * | 2019-03-15 | 2019-06-28 | 安徽华星选矿科技有限公司 | A kind of sine screen operating parameter monitoring system |
| CN112122118A (en) * | 2020-09-07 | 2020-12-25 | 中国矿业大学 | Intelligent diagnosis system and diagnosis method for health state of screening surface in screening process |
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