Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1984-10-24
1989-08-08
Hart, Charles
Gas separation
Means within gas stream for conducting concentrate to collector
55 89, 55228, 75 25, 75 41, B01D 5314
Patent
active
048549460
ABSTRACT:
Blast furnace gas containing dust particles has the coarsest particles removed and the result wet scrubbed before being fed to a treatment apparatus for separating the remaining coarse dust, which has a low lead and zinc concentration. The gas dust is fed to a separator in the form of a thickener where coarse particles are removed through an outlet while the remaining gas dust is fed to a settling basin. This concentrates the dust particles before they are fed via pipe to a second separator having two hydrocyclones. Here the coarse particles are removed via pipe. The coarse particles from the outlet and pipe are suitable for feeding to a blast furnace as they are low in lead and zinc. The presence of the settling basin gives a more distinct separation if the dust particles by the hydrocyclones and the hydrocyclones can operate more efficiently.
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patent: 3976454 (1976-08-01), Hausberg et al.
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Heijwegen Cornelis P.
Kat Willem
Hart Charles
Hoogovens Groep B.V.
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