Avoiding an explosive environment
Avoiding an explosive environment seems to be the most obvious protective measure - but not all processes are suitable for it. Aluminum processing with MQL, for example, is interrupted during the cleaning of filter elements. During cleaning, no ignition source can gain entry. Furthermore, the suction air duct is monitored by a spark sensor. If an ignition spark entry is detected, the PLC can be set to prevent the next pending cleaning of the filter elements, thereby averting an explosive situation.
Successfully preventing dust explosions
The infrared daylight sensor ProSens detects ignition sources starting from 400°C, automatically tests the functionality any 4 hour period, and is kept clean by flushing with compressed air.
Further information:
Brochure "explosion protection according to ATEX guidelines"
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