Dust Collector


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dust collector

[′dəst kə‚lek·tər]
(engineering)

Dust Collector

 

a device used to separate dust and other impurities from air or gas. These devices are utilized in exhaust and industrial gas-purification systems.

Various types of dust collectors are distinguished, depending on the action used to separate the dust and on the design of the device. These include gravitational collectors (mainly dust-settling chambers); inertial dry-type collectors (cyclones, louvered collectors); inertial wet-type collectors, which use water or another liquid to bind the dust (centrifugal scrubbers, jet-type collectors); contact-type collector-washers (bubblers, nozzle-type collectors, foam-forming collectors); diffusion-condensational cloth collectors (bag filters); packed beds, which use filtration layers of granular materials, metal ceramics and the like; electric collectors; and ultrasonic collectors. The choice of dust collector depends on the concentration of dust in the air and on the requirements for air purity.

REFERENCES

Uzhov, V. N., and B. I. Miagkov. Ochistka promyshlennykh gazov fil’trami. Moscow, 1970.
Pirumov, A. I. Obezpylivanie vozdukha. Moscow, 1974.

dust collector

An accessory device used to prevent dust, which a tool or machine produces, from escaping into the surrounding air; suction forces the dust-laden air into a bag or chamber, where it is collected.
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