Patents Assigned to Hutni projekt Praha, projekcni a inzenyrska organizace
  • Patent number: 4139419
    Abstract: Coal not normally used for coking is, prior to feeding to coking batteries, processed in a vertical suspension preheater heated by combustion gases from the coking batteries; the coal particles are separated from these combustion gases in two alternately operating sets of primary and secondary cyclone separators and are then supplied to coking batteries together with part of the combustion gases which serve as carrier gases for the coal particles.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: February 13, 1979
    Assignee: Hutni projekt Praha, projekcni a inzenyrska organizace
    Inventor: Jaroslav Limberg