Air cleaning system for cement storage silo
7 Air cleaning system for cement storage silo
The air cleaning system for a cement storage silo must —
be either —
a mechanical rapping air cleaning system with a minimum filter area of 23 square metres; or
a reverse pulse air cleaning system which reduces dust emissions to less than 50 milligrams of particulate matter per cubic metre;
and
discharge air from the system into a weigh hopper or to an outlet which is within one metre of the ground.
An operator must inspect the filters, or if the system is fitted with pressure gauges for the detection of blockages or leaks, check those gauges, at least weekly and immediately clean, repair or replace any filter which is blocked or damaged or has an excessive build‑up of dust.
An operator must test the air cleaning system for a cement storage silo at least weekly and if it is not working efficiently, must not unload any cement into the silo until the system is repaired.
An operator must keep on the premises, or in a readily accessible place, sufficient spare filters to replace all such bags or cartridges used in the air cleaning systems of all cement storage silos on the premises.
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