
334 Industrial Air Quality and Ventilation
© 2010 Taylor & Francis Group, LLC
enabling it to retain a constant position relative to the crest of the stockpile irrespective
of boom tilting angle or boom raising height. This ensures a stable degree of leakage
at the seal abutting the stockpile and improves dedusting efciency. The assembly is
equipped with a material level sensor for monitoring pile height at the dumping location.
The design of the local suction unit connection to the boom conveyor unloading
assembly (Figure 5.72) has been improved. Both units have been merged with the
boom steelwork. The air duct serves as a walkway, and the new ...