Brushing of metal and non-ferrous metal (e. g. aluminum) produces emissions of fine particulate which even the most advanced production technology cannot prevent. Collecting and removing these fine dusts using suction is mandatory.
Brushing or coating processes can form deposits. The resulting dusts are often explosive and combustible, which must be considered in the system design. Also the dimensions of the dust collection/extraction area must be taken into account, which is usually done by the machine manufacturer.
The collection of dust emisions from brushing processes can be accomplished in different ways. Either dry or wet separation processes are suitable. Distinctions between exhaust air operation or recirculating air operation are decisive in choosing the correct technology.
For dry separation are applied units of the VARIO and PT series. The filters are chosen depending on the requirement.
To protect the filters, limestone powder is added via a dosing unit (in the event of oily air in the plant), which creates inertisation. This is relevant, especially with explosive or combustible dusts, since a corresponding explosion and fire protection strategy is required. An additional consideration is whether the unit will be located indoors or outdoors.
These customers rely on our extraction systems during metal non-ferrous metal brushing.
Borbet Sachsen GmbH, Kodersdorf - Germany
Platestahl Umformtechnik GmbH, Lüdenscheid - Germany
Mubea Fahrwerksfedern GmbH, Weißensee - Germany
Groz-Beckert KG, Albstadt - Germany
Benteler Automobiltechnik GmbH, Schwandorf - Germany
... and many more!
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Set and guidelines
TA-Luft: Air pollution control - emission standards >>
42. BImSchV: Avoiding legionella risk in wet scrubbers >>
VDI 2262-3: Air quality in the workplace - clean air recirculation >>
TRGS 900: Occupational limit values in the workplace >>
TRGS 561: Processing of carcinogenic metals >>
TRGS 528: Welding operations >>
DGUV-Regel 109-001 (fomerly: BGR 109): Grinding, brushing and polishing of aluminum >>
DGUV-Regel 109-001 (fomerly: BGR 109): Magnesium processing >>
DGUV-Regel 109-002 (formerly: BGR 121): Workplace ventilation >>
1999/92/EG (formerly: ATEX 137): Explosion Protection Directive for Operators >>
2014/34/EU (formerly: ATEX 114): Explosion Protection Directive for Manufacturers >>
EN 1127-1: Explosive environments >>
TRBS 727: Avoiding ignition hazards created by electrostatic charges >>
VDI 2263-6: Fire and explosion protection for dust extraction systems >>