Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1987-12-03
1989-03-21
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 9, 55 11, 55 72, 55 97, 55107, 55122, 55262, 55264, B03C 301
Patent
active
048139785
ABSTRACT:
In the separation of particles, these are heated together with a gaseous carrier medium. Constitutents of these particles thus vaporize, are cooled in a cooler (21) and condense out. An apparatus for carrying out this process comprises a fan (1) and a heating device (7). A continuous process can be used on a large industrial scale. This is achieved when the particles and the carrier medium are mixed continuously and at controlled rates to give a fluidized blend. This blend is heated to a given temperature in a fluidized bed of a heating device (7), with the production of a mixture consisting of a vapor/gas mixture thus formed and of particle constituents remaining in the form of particles. After the mixture has left the heating device (7), the particle constituents remaining in the form of particles are precipitated and a vapor/gas mixture is passed forward in at least one closed circulation.
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Hirth Michael
Weigart Norbert
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