Supplements Maker - NFPA
Known Issues:
Dust is both hydroscopic and combustible.
Back of the building is warehousing and production is on the front of building 300 feet away.
There is no maintenance department to change out 55-gallon drums, so we needed a large container.
Customer rents the space and does not own the building. Owner would not allow penetrations through side wall or roof.
There were two (2) production rooms with several pieces of equipment in each.
There was a steep grade on concrete pad on back of the building for rain runoff.
Provided Solutions:
Provided Donaldson Torit Dalmatic DLMC envelope style dust collector with oleophobic filters.
Designed collector to include leg extensions to allow for a dumpster to be placed under the collector.
Provided steep sided hoppers to keep dust moving through collector.
Provided 8 vane 10 bar rated air locks to separate hopper from the dumpster.
Provided membrane style explosion venting and deflector plates to safely vent pressure from explosion.
Connected the collector to the dry plumbed wet sprinkler system for fire protection.
Provided in duct isolation devices to keep pressure and fire from returning into the building.
Connected one duct line for each production room to allow operators to limit electrical consumption.
Provided custom hoods for pick up inside production area.
Provided custom control panel and VFD drive with air flow control system to allow rooms to operate independently.
Provided 80 dBA silencer and did not return air back into the building.
Ran duct work through overhead door to keep from damaging building per owners instructions.
Calculated static pressure requirements for the system fan and reinforced collector to allow for 25" SP w.c.
Provided fan with aluminum fan wheel (non-sparking).
Provided leg adjustments to allow leveling of collector on steep grade.
