Spray dryers in the food, chemical and pharmaceutical industries have a non-negligible explosion potential: there is usually a constant stirring atmosphere, usually combustible dust and oxygen; however, spray dryers may not be considered as a separate design element, but must Evaluate as a cohesive complex system.
The explosion-related design of the spray dryer has special regulations in accordance with Part 7 of VDI-2263. As long as certain process conditions are met, the correct application of the directive can reduce the measures to a lower level; please contact our professionals to determine your Does the system meet these requirements, and the appropriate protective measures in your situation.
Common sources of combustion in spray dryers are glowing embers, damaged rotating nozzles, hot bearings or sparks due to imbalance.
Which constructive protection measures are useful for your spray drying equipment depends on the strength, the volume of the spray dryer to be protected and its respective installation location. For outdoor spray dryers, building walls or lower-strength designs, traditional explosion-proof safety systems with EGV explosion-proof doors will be suitable.
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