Patents Assigned to AF-Industrins Processkonsult AB
  • Firing of lime sludge reburning kilns with a solid fuel
    Patent number: 4606722
    Abstract: A method of firing a lime sludge reburning kiln with a solid fuel at reburning of lime sludge (CaCO.sub.3) to burnt lime sludge is described. The solid fuel is gasified under supply of air to form hot flue gases in a cyclone gasifier, which is built in conjunction with the lime sludge reburning kiln, at a temperature in excess of 1000.degree. C., at which temperature ashes formed melt, after which the molten ashes are separated, preferably into the burnt lime sludge within the lime sludge reburning kiln.
    Type: Grant
    Filed: December 18, 1984
    Date of Patent: August 19, 1986
    Assignee: AF-Industrins Processkonsult AB
    Inventor: Lars G. Olauson