Belt rip detection

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October 2015 Maintenance, Test & Measurement, Calibration

Becker Mining South Africa has launched its latest BRS-2 belt rip detection system, which has been designed to increase the productivity of conveyor belts by detecting belt rips as soon as they occur.

“This belt rip detection system, which is based on the highly efficient design of the original BRS-1 system, is used to detect longitudinal rips on steel cable and fibre conveyor belts,” says Andrew Trentelman, senior general manager: electronics, Becker Mining South Africa. “The BRS-2 uses real time loop diagnostics to continuously monitor the status of the belt and, in the event of a rip, stops the belt drives, which reduces any further damage and minimises downtime.”

To monitor the status of a belt, inductive loops are embedded in the belt. Once installed, the BRS-2 system carries out an identification run and the processor of the belt rip detection system unit (BRS/CU) stores the necessary data. Parameters include the succession of loops in the belt, belt speed and start up time of conveyors. Stored values are protected against power loss and can be entered or changed when necessary.

When the belt is in operation, these inductive loops pass over the transmitter and receiver, which are positioned opposite each other on either side of the belt. An electro-magnetic signal is transmitted via the inductance loop from the transmitter into the receiver. Because this system has recorded the distance between successive loops and belt velocity, it can automatically calculate the time intervals between each loop.

The belt rip sensor that is embedded in the belt operates like a bridge between transmitter and receiver of the belt rip scanner sensor interface (BRS/SI). If a belt is ripped, the BRS/SI cannot measure any analog values from the destroyed loop.

Apart from the detection of belt rips, this system is designed for monitoring belt speed, the detection of belt slip and also for belt sequence control. Access and monitoring of the system is simple, either locally with its 12” TFT screen, five shortcut buttons, a mouse pad and virtual keypad, or remotely via TCP/IP or other bus standards. Other features include real-time graphics, a forward and reverse capability, local and remote password protection and a record of the last 10 000 system changes.

This device can withstand operation in arduous conditions and has a robust stainless steel housing with an IP65 index protection rating to guard against the ingress of dust and water.

This advanced belt rip detection system is designed for use in diverse industries, including manufacturing, food and beverage conveying, packaging and mining applications.

BRS-2 systems enhance Becker Mining South Africa’s extensive range of reliable inter-operable communications, automation and safety systems. These systems include distributed antenna configurations, leaky feeder communications and industrial Wi-Fi systems, as well as tagging and tracking systems, real-time location solutions, traffic information and control systems. They also encompass remote evacuation signalling systems, environmental monitoring equipment and terrestrial radio and data equipment.

For more information contact Andrew Trentelman, Becker Mining South Africa, +27 (0)11 617 6300, [email protected], www.za.becker-mining.com

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