WO2014136121A1 - Système de surveillance d'intégrité d'un panneau de crible vibrant - Google Patents

Système de surveillance d'intégrité d'un panneau de crible vibrant Download PDF

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Publication number
WO2014136121A1
WO2014136121A1 PCT/IN2013/000546 IN2013000546W WO2014136121A1 WO 2014136121 A1 WO2014136121 A1 WO 2014136121A1 IN 2013000546 W IN2013000546 W IN 2013000546W WO 2014136121 A1 WO2014136121 A1 WO 2014136121A1
Authority
WO
WIPO (PCT)
Prior art keywords
screen panel
embedded
wear
data acquisition
circuit break
Prior art date
Application number
PCT/IN2013/000546
Other languages
English (en)
Other versions
WO2014136121A8 (fr
Inventor
Syed Yaver Iman
Biswadeep Paul
Tanmay MOHARANA
Original Assignee
Tega Industries Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tega Industries Limited filed Critical Tega Industries Limited
Publication of WO2014136121A1 publication Critical patent/WO2014136121A1/fr
Publication of WO2014136121A8 publication Critical patent/WO2014136121A8/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/14—Details or accessories
    • B07B13/18—Control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0083—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by measuring variation of impedance, e.g. resistance, capacitance, induction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0664—Indicating or recording means; Sensing means using witness specimens
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion

Definitions

  • the present invention relates in general to systems and methods for determining the wear of screen panels in mining industry and in particular to a wear indicator apparatus, a system and method for remote detection of wear.
  • Screening media can include a plurality of apertures for separating desired sizes of particle from undesired and the media can be of made different resilient materials like polyurethane, rubber and other polymeric materials with metallic or non-metallic reinforcement embedded inside the resilient material to provide additional strength to the screen.
  • This invention discloses a system for remote monitoring of wear of screen panels in industrial screening applications in industrial vibrating screen machines and trommel screens.
  • the present invention comprises of a plurality of screen panels with embedded components and signaling system to transmit wear rate information to a receiving/processing unit which in turn processes it to give the wear rate data on an interface.
  • United States Patent Application no. 13/275,566 discloses a wear indicator apparatus, system and method for allowing wear information from an internal flow surface of a chute to be obtained from outside the chute so as not to require access to the interior for wear inspection purposes.
  • the wear indicator apparatus has a wear indicator portion that is configured to be fit into a through opening in the chute wall assembly.
  • the wear indicator portion has a layer of wear material that is of the same material as an inner liner of the chute wall assembly, and a mounting portion that is configured to be removably fixed to an exterior surface of the wall assembly.
  • the wear indicator apparatus includes a removal mechanism connected to the mounting portion that is operated outside of the chute for retracting the wear indicator portion out from the wall assembly through opening.
  • United States Patent no. 7,270,890 discloses a system for monitoring the wear of a component.
  • a conductor can be embedded in the component at a depth from a surface of the component.
  • the conductor can be operatively connected to a power source to form an electrical circuit.
  • the resistance across the conductor can be measured.
  • the component can begin to wear. Once the wear progresses to the conductor, changes in the measured resistance will result.
  • impedance can be measured across the conductor. Because the dielectric permeability of the material surrounding the conductor can affect impedance, changes in impedance can occur as the surface material of the component is worn away.
  • This disclosure is an attempt for determining the wear of components of a chute system by way of measuring the resistance, current, voltage and/or impedance at least a portion of the first conductor and the conductive surface of the second component.
  • changes in the measured resistance, current, voltage and/or impedance can indicate that a predetermined amount of wear is occurred.
  • Such a method of wear detection requires regular measurement of resistance across the conductor, hence it is labour-intensive, time consuming and lacking remote monitoring of wear.
  • United States Patent application no. 12/782,198 discloses a system, method, and apparatus for detecting wear in a screening arrangement.
  • a conductor is embedded in resilient material .
  • the conductor is configured to be coupled to a sensor that emits a notification signal when the screening surface of the screen panel has worn to a threshold level.
  • the threshold level can be based at least in part on the amount of wear that requires replacement of a screen panel to prevent breakthrough or contamination.
  • the notification signal can be used to identify which screen panel or region of screen panels have been worn to the threshold level so that the screen panels can be replaced in a timely manner.
  • the sensor further comprises a RFID device for the purpose of communication.
  • the sensor provides the notification when the conductor becomes decoupled from said sensor.
  • a receiver unit is present to catch the signal emitted by the sensor. When a notification signal is received by the receiver it gives warning in the form of alert.
  • This disclosure is an attempt for determining the wear of screen panel by measuring the threshold level when the conductor decoupled from the sensor. Such a method of wear detection is expensive due to use of RFID and sensor element and it is complex in structure.
  • Yet another object of the present invention is to remotely monitor the wear of screen panels by viewing the wear profile on a display unit.
  • a further object of the present invention is to provide a system for remote detection of wear comprising of transmitter, controller unit and power source.
  • a still further object of the present invention is to provide a wear indicator apparatus that functions on the principle of break of circuit.
  • a further object of the present invention is to provide a circuit system of the wear indicating apparatus which can be re-used in another wear indicating apparatus when the screen panel is completely worn out.
  • Yet another object of the present invention is to determine the approximate life of a screen panel.
  • a vibrating screen panel health monitoring system comprises of an embedded part and a distal part operatively connected to it.
  • the embedded part comprises of a controller system, a power supply and one or a plurality of threshold conductors which are embedded in the screen panel.
  • the distal part comprises of a circuit break data acquisition system, a network server connected to internet, a user interface and a screen panel layout display.
  • the circuit break data acquisition system is adapted to receiving/processing the wear rate data of the screen panel.
  • the controller system has a transmitter module with or without antenna which is either an infra-red transmitter or a RF module or an ultrasonic transmitter or a wired communicator.
  • the distal part is located within the range of the transmitter module.
  • the transmitter module transmits a certain packet of data wirelessly which are received by the circuit break data acquisition system as long as the panel is healthy.
  • the circuit break data acquisition system comprises of a radio wave receiver unit along with other integrated circuitry for suitably decoding the signals into desired information and/or electrical signals.
  • One or a plurality of the embedded conductors is laid out in the form of one or multiple thresholds, which are put in a manner to cover the most strategic portions of the screen panels.
  • the plurality of thresholds works as multiple levels of wear detection.
  • the transmitter module stops transmitting the packet of data when any threshold conductor breaks.
  • the circuit break data acquisition system is adapted to generate warning through an interface system when it does not receive the signals as in healthy condition of the panel. Provision is made for removal/replacement of the controller system from the embedded conductors of a screen panel either for repair/replacement or for re-use of a healthy controller system when the panel has worn out.
  • FIG. 1 is a perspective view of a screen panel showing the system through a section view.
  • FIG. 2 is a block diagram of the screen panel health monitoring system according to the present invention.
  • a vibrating screen panel health monitoring system which is a system of wear detection and which comprises of a simple circuitry and method of working.
  • the threshold is directly or indirectly coupled with the controller system ( 1).
  • the controller system ( 1) comprises of a transmitter (which may or may not include an antenna) in circuit with a microcontroller unit (MCU) or controller unit which generates a pulse-train of electrical signals which pass through the conductor (2) put at a threshold distance inside the panel.
  • MCU microcontroller unit
  • controller unit which generates a pulse-train of electrical signals which pass through the conductor (2) put at a threshold distance inside the panel.
  • an electrical conductivity in the threshold conductors (2) which in turn drives the MCU unit to transmit through its transmitter module a certain packet of data wirelessly, or through wire.
  • the transmitter module of the MCU or controller unit ( 1) can be of any type, i.e. infra-red transmitter, RF module, ultrasonic transmitters, wired communicator or other types of transmitter units. It is embedded inside the panel (3) at a suitable location.
  • the transmitter unit may or may not include antenna or a plurality of antennas depending on the area of coverage.
  • the transmitter module when it is wireless, transmits radio signals on one or more carrier frequencies.
  • carrier frequencies are commonly used in commercially-available transmitter units, including 433.92MHz, 315MHz, 868MHz, 915 MHz and other carrier frequencies. These frequencies are used because of national and international regulations governing the use of radio for communication.
  • the transmitter unit can be a unified transmitter and receiver unit which can perform bi-directional communication with other similar units capable of doing so and can also relay signals to other repeater units for more coverage.
  • the present invention works on the principle of circuit break.
  • the embedded conductor (2) is laid out in the form of a threshold.
  • the plurality of thresholds can work as multiple levels of wear detection.
  • the conductor (2) in turn is resistant to certain amount of heat and comes out of the enclosure through suitable connectors. As described earlier, it is put around the aperture at a particular threshold.
  • threshold conductors (2) There may be a single threshold or multiple thresholds made up of one or more conductors (2) looped around the apertures. As the resilient material of the screen panels wears out due to abrasion, impact and other types of actions exposing the threshold conductor (2), the conductor (2) also begins to wear out and finally breaks, and then the electrical conductivity which existed in it is lost. As the conductivity is lost, the circuit breaks, becomes an open one and thus the signals that were being transmitted get interrupted.
  • the receiver (4) can be connected to the interface (7) through wired or wireless connections, also the connection between transmitter and the receiver units can be either wired or wireless.
  • the MCU unit/controller unit also processes the signal for desired packets of data and decodes the encrypted packets of data for desired results which is matched to show the wear profile on the user interface.
  • a separate part of the system that is the receiver unit (4), (in case of wired transmitter system the receiver is also a device for sensing electrical signal through wired communication) or circuit break data acquisition system (4) comprises of a radio wave receiver unit along with other integrated circuitry for suitably decoding the signals into desired information and/or electrical signals.
  • This receiver unit (4) operates at a suitable frequency and is located within the range of the transmitter unit so as to receive the signals sent by the panel- transmitter unit.
  • the signals can be further amplified using amplifiers which can be radio wave amplifiers, Wi-Fi routers, Wi-Fi access points, networked signal boosters and other kinds of signal boosters, relay units etc, which can be connected to a network (5) as well as the internet (6) so as to provide an accessibility for the client as well as other users to get the wear information remotely on the first hand.
  • the receiver unit (4) can be mounted on the vibrating screen machine frames and/or trommel structures or can also be mounted on stands and frames away from the screening unit but within the range of the transmitter on the panels at a suitable location and can be powered by suitable methods like battery, solar power, internally or externally generated power from different suitable power sources.
  • the receiver unit can also be housed inside a protective casing to protect it from adverse conditions at the plant site.
  • the screen deck consists of a plurality of screen panel (3) which can be made of resilient materials like polyurethane, rubber etc.
  • the screen panel (3) is modular in nature and is fitted in numbers to form the screen deck bed of the screen.
  • the screen panel/panels (3) along with the circuit break signaling system (transmitter along with controller unit) are powered internally or externally using external and internal power sources.
  • the powering source can be of any form like solar panels, batteries, externally generated power etc.
  • the panels (3) which are placed side by side of each other can be interconnected using specially developed connection interfaces or connectors which are resistant to vibrations from the screen machines.
  • a screen panel layout display (8) shown in figure 2 remotely displays the arrangement of the screen panels.
  • the embedded conductors (2) lead out to the connectors.
  • the connectors have male and female type parts which, when connected, provide a steady electrical connectivity.
  • the connectors may also have provision for replacement when they have worn out or are damaged.
  • the connectors can be made of any electricity conducting material like brass, copper, etc or can be readily available socket and plug system along with other connection mechanisms and wirings.
  • the whole system can be kept in a vibration and temperature resistant enclosure and embedded inside the panels (3) so as to protect the system from damage.
  • the provision of removal/replacement is also provided so that a healthy controller system (1) can be reused after the panel has worn out but the system circuitry comprising of the transmitter, controller unit and/or power source are intact and operational.
  • the whole system ( 1) can be embedded at the middle of the panel or at any suitable strategic point within the panel (3).
  • the conductors are looped around the apertures. The placements of the system depends on aperture size, shape, and open area of the panel, thickness of the panel and the edges of the panel, the threshold limits and the number of thresholds needed.
  • the receiver is connected to a computer system (not shown) through suitable connection which may be wired or wireless and can comprise of different connection systems Ethernet, Serial Communication using RS-232, RS-422, RS- 423, RS-428 ports etc, Parallel Communication using LPT1,LPT2,LPT3 ports, USB, Bluetooth, Wi-Fi and other connection methods.
  • a computer system not shown
  • suitable connection which may be wired or wireless and can comprise of different connection systems Ethernet, Serial Communication using RS-232, RS-422, RS- 423, RS-428 ports etc, Parallel Communication using LPT1,LPT2,LPT3 ports, USB, Bluetooth, Wi-Fi and other connection methods.
  • the user interface (7) comprising a software is installed.
  • the user's computer/server in turn is connected to the internet (6).
  • the user's computer/server is configured with IP (Internet Protocol) address and is used as an access point and the information can be accessed from it through internet using a similar front end software interface.
  • IP Internet Protocol
  • the receiver unit can be connected to a standalone interface which may or may not be connected to networks or internet, and can consist of switches, embedded circuits, power sources, connectors, wires, LCD/LED or other kinds of display unit that displays the wear profile or the status of panel through different color codes or glowing of LED's and/or display of numbers on the display unit directly or indirectly depicting the panel layout arrangement on the screening system .
  • a standalone interface which may or may not be connected to networks or internet
  • the receiver unit can consist of switches, embedded circuits, power sources, connectors, wires, LCD/LED or other kinds of display unit that displays the wear profile or the status of panel through different color codes or glowing of LED's and/or display of numbers on the display unit directly or indirectly depicting the panel layout arrangement on the screening system .

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

L'invention concerne un système de surveillance d'intégrité d'un panneau de crible vibrant comprenant une partie intégrée et une partie distale. La partie intégrée comporte un système de contrôleur (1), une alimentation électrique, et des conducteurs de seuil (2) intégrés dans un panneau de crible (3). La partie distale comporte un système d'acquisition de données de coupure de circuit (4), un serveur réseau (5), une interface utilisateur (7) et un affichage de disposition de panneau de crible (8). Le système d'acquisition de données de coupure de circuit (4) est adapté pour recevoir/traiter les données de taux d'usure dudit panneau de crible (3). Le contrôleur (1) possède un module émetteur. La partie distale est située au sein de la plage de l'émetteur qui transmet un paquet de données reçues sans fil par le système d'acquisition de données de coupure de circuit (4) qui possède une unité de réception d'ondes radio et un système de circuit pour le décodage des signaux en informations et/ou signaux électriques souhaités. Les conducteurs intégrés (2) sont disposés en tant que seuils, qui sont placés pour couvrir la plupart des parties stratégiques des panneaux de crible (3) et travaillent en tant que niveaux multiples de détection d'usure.
PCT/IN2013/000546 2013-03-07 2013-09-09 Système de surveillance d'intégrité d'un panneau de crible vibrant WO2014136121A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN260/KOL/2013 2013-03-07
IN260KO2013 2013-03-07

Publications (2)

Publication Number Publication Date
WO2014136121A1 true WO2014136121A1 (fr) 2014-09-12
WO2014136121A8 WO2014136121A8 (fr) 2014-10-16

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PCT/IN2013/000546 WO2014136121A1 (fr) 2013-03-07 2013-09-09 Système de surveillance d'intégrité d'un panneau de crible vibrant

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AR (1) AR095066A1 (fr)
WO (1) WO2014136121A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015089548A1 (fr) * 2013-12-16 2015-06-25 Schenck Process Australia Pty Ltd Contrôle de procédé de criblage de minerai
CN106679724A (zh) * 2017-01-04 2017-05-17 国网山东省电力公司菏泽供电公司 用户界面显示装置及开关柜全景监测系统
WO2019136251A1 (fr) * 2018-01-05 2019-07-11 Weir Slurry Group, Inc. Système sans fil permettant de surveiller les performances d'un écran vibratoire à l'aide d'un système de collecte d'énergie
US20200188958A1 (en) * 2018-12-18 2020-06-18 Polydeck Screen Corporation Monitoring systems and methods for screening system
EP3808459A1 (fr) * 2019-10-15 2021-04-21 Filip GmbH Nettoyant de tamis pour cadres de tamis utilisées dans les blutoirs oscillants dans les moulins
GB2588961A (en) * 2019-11-15 2021-05-19 Russel Finex Method and sieve system for screening material
CN114733756A (zh) * 2022-06-10 2022-07-12 云翔赛博(山东)数字技术有限公司 嵌入式筛板状态监测装置及其监测方法
WO2023187216A1 (fr) * 2022-04-01 2023-10-05 Swisca Ag Machine de fractionnement de produits de grains broyés

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7270890B2 (en) 2002-09-23 2007-09-18 Siemens Power Generation, Inc. Wear monitoring system with embedded conductors
WO2010043712A1 (fr) * 2008-10-16 2010-04-22 Bühler AG Appareil à tamiser
US20100231396A1 (en) * 2009-03-16 2010-09-16 Schenck Accurate, Inc. System and method for monitoring parts used by a screening machine
US20110285541A1 (en) * 2010-05-18 2011-11-24 Polydeck Screen Corporation System, method, and apparatus for detecting wear in a screening arrangement

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7270890B2 (en) 2002-09-23 2007-09-18 Siemens Power Generation, Inc. Wear monitoring system with embedded conductors
WO2010043712A1 (fr) * 2008-10-16 2010-04-22 Bühler AG Appareil à tamiser
US20100231396A1 (en) * 2009-03-16 2010-09-16 Schenck Accurate, Inc. System and method for monitoring parts used by a screening machine
US20110285541A1 (en) * 2010-05-18 2011-11-24 Polydeck Screen Corporation System, method, and apparatus for detecting wear in a screening arrangement

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015089548A1 (fr) * 2013-12-16 2015-06-25 Schenck Process Australia Pty Ltd Contrôle de procédé de criblage de minerai
AU2014366879B2 (en) * 2013-12-16 2017-03-30 Schenck Process Australia Pty Ltd Monitoring ore screening processes
US9962742B2 (en) 2013-12-16 2018-05-08 Scheneck Process Australia Pty Ltd Process and system for monitoring components in an ore screening installation
CN106679724A (zh) * 2017-01-04 2017-05-17 国网山东省电力公司菏泽供电公司 用户界面显示装置及开关柜全景监测系统
WO2019136251A1 (fr) * 2018-01-05 2019-07-11 Weir Slurry Group, Inc. Système sans fil permettant de surveiller les performances d'un écran vibratoire à l'aide d'un système de collecte d'énergie
WO2020131688A1 (fr) * 2018-12-18 2020-06-25 Polydeck Screen Corporation Systèmes et procédés de surveillance d'un système de criblage
US20200188958A1 (en) * 2018-12-18 2020-06-18 Polydeck Screen Corporation Monitoring systems and methods for screening system
US11458506B2 (en) 2018-12-18 2022-10-04 Polydeck Screen Corporation Monitoring systems and methods for screening system
EP3808459A1 (fr) * 2019-10-15 2021-04-21 Filip GmbH Nettoyant de tamis pour cadres de tamis utilisées dans les blutoirs oscillants dans les moulins
GB2588961A (en) * 2019-11-15 2021-05-19 Russel Finex Method and sieve system for screening material
GB2588961B (en) * 2019-11-15 2022-07-13 Russel Finex Method and sieve system for screening material
WO2023187216A1 (fr) * 2022-04-01 2023-10-05 Swisca Ag Machine de fractionnement de produits de grains broyés
CN114733756A (zh) * 2022-06-10 2022-07-12 云翔赛博(山东)数字技术有限公司 嵌入式筛板状态监测装置及其监测方法
CN114733756B (zh) * 2022-06-10 2022-09-30 云翔赛博(山东)数字技术有限公司 嵌入式筛板状态监测装置及其监测方法

Also Published As

Publication number Publication date
WO2014136121A8 (fr) 2014-10-16
AR095066A1 (es) 2015-09-16

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