13
Settling Chambers
13.1 Device Type
One of the simplest (and oldest) air pollution control devices is the settling chamber. These are also sometimes called knock-out boxes or drop-out boxes. The equipment is in the form of a large chamber, which allows reduction of the gas velocity to a point where the particulate it carries simply drops out.
Today, settling chambers are used for coarse removal of large particulate in advance of higher efficiency particulate control equipment.
They are rarely, if ever, used as the final gas cleaning device.
13.2 Typical Applications and Uses
Settling chambers are primarily used to reduce the loading of particulate from sources such as kilns, calciners, and mills or grinders that inherently produce ...
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